Home / 388,927.35-583,421.00-149,156.10

Finding the Fourth Proportional to 388,927.35, 583,421.00 and 149,156.10

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Solution

The fourth proportional to 388,927.35, 583,421.00 and 149,156.10 is: 223,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,927.35 : 583,421.00 = 149,156.10 : x
  2. Step 2: Convert to fraction form
    388,927.35/583,421.00 = 149,156.10/x
  3. Step 3: Cross multiply
    388,927.35x = 583,421.00 × 149,156.10
  4. Step 4: Simplify right side
    388,927.35x = 87,020,800,272.32
  5. Step 5: Solve for x
    x = 87,020,800,272.32/388,927.35
  6. Step 6: Final answer
    x = 223,745.64

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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.