Home / 402,756.04-604,129.20-103,234.24

Finding the Fourth Proportional to 402,756.04, 604,129.20 and 103,234.24

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Solution

The fourth proportional to 402,756.04, 604,129.20 and 103,234.24 is: 154,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,756.04 : 604,129.20 = 103,234.24 : x
  2. Step 2: Convert to fraction form
    402,756.04/604,129.20 = 103,234.24/x
  3. Step 3: Cross multiply
    402,756.04x = 604,129.20 × 103,234.24
  4. Step 4: Simplify right side
    402,756.04x = 62,366,818,823.81
  5. Step 5: Solve for x
    x = 62,366,818,823.81/402,756.04
  6. Step 6: Final answer
    x = 154,850.11

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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.