Home / 434,858.20-652,287.30-210,326.20

Finding the Fourth Proportional to 434,858.20, 652,287.30 and 210,326.20

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Solution

The fourth proportional to 434,858.20, 652,287.30 and 210,326.20 is: 315,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,858.20 : 652,287.30 = 210,326.20 : x
  2. Step 2: Convert to fraction form
    434,858.20/652,287.30 = 210,326.20/x
  3. Step 3: Cross multiply
    434,858.20x = 652,287.30 × 210,326.20
  4. Step 4: Simplify right side
    434,858.20x = 137,193,109,117.26
  5. Step 5: Solve for x
    x = 137,193,109,117.26/434,858.20
  6. Step 6: Final answer
    x = 315,489.30

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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.