Home / 388,826.40-583,239.60-230,973.60

Finding the Fourth Proportional to 388,826.40, 583,239.60 and 230,973.60

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Solution

The fourth proportional to 388,826.40, 583,239.60 and 230,973.60 is: 346,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,826.40 : 583,239.60 = 230,973.60 : x
  2. Step 2: Convert to fraction form
    388,826.40/583,239.60 = 230,973.60/x
  3. Step 3: Cross multiply
    388,826.40x = 583,239.60 × 230,973.60
  4. Step 4: Simplify right side
    388,826.40x = 134,712,950,074.56
  5. Step 5: Solve for x
    x = 134,712,950,074.56/388,826.40
  6. Step 6: Final answer
    x = 346,460.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.