Home / 403,487.10-605,084.85-163,500.30

Finding the Fourth Proportional to 403,487.10, 605,084.85 and 163,500.30

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Solution

The fourth proportional to 403,487.10, 605,084.85 and 163,500.30 is: 245,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,487.10 : 605,084.85 = 163,500.30 : x
  2. Step 2: Convert to fraction form
    403,487.10/605,084.85 = 163,500.30/x
  3. Step 3: Cross multiply
    403,487.10x = 605,084.85 × 163,500.30
  4. Step 4: Simplify right side
    403,487.10x = 98,931,554,500.46
  5. Step 5: Solve for x
    x = 98,931,554,500.46/403,487.10
  6. Step 6: Final answer
    x = 245,191.37

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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.