Home / 402,249.28-603,373.38-102,730.06

Finding the Fourth Proportional to 402,249.28, 603,373.38 and 102,730.06

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Solution

The fourth proportional to 402,249.28, 603,373.38 and 102,730.06 is: 154,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,249.28 : 603,373.38 = 102,730.06 : x
  2. Step 2: Convert to fraction form
    402,249.28/603,373.38 = 102,730.06/x
  3. Step 3: Cross multiply
    402,249.28x = 603,373.38 × 102,730.06
  4. Step 4: Simplify right side
    402,249.28x = 61,984,583,529.80
  5. Step 5: Solve for x
    x = 61,984,583,529.80/402,249.28
  6. Step 6: Final answer
    x = 154,094.95

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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.