Home / 423,937.10-585,065.76-242,705.90

Finding the Fourth Proportional to 423,937.10, 585,065.76 and 242,705.90

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Solution

The fourth proportional to 423,937.10, 585,065.76 and 242,705.90 is: 334,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,937.10 : 585,065.76 = 242,705.90 : x
  2. Step 2: Convert to fraction form
    423,937.10/585,065.76 = 242,705.90/x
  3. Step 3: Cross multiply
    423,937.10x = 585,065.76 × 242,705.90
  4. Step 4: Simplify right side
    423,937.10x = 141,998,911,839.98
  5. Step 5: Solve for x
    x = 141,998,911,839.98/423,937.10
  6. Step 6: Final answer
    x = 334,952.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.