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Finding the Fourth Proportional to 508,802.12, 763,369.02 and 255,952.12

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Solution

The fourth proportional to 508,802.12, 763,369.02 and 255,952.12 is: 384,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,802.12 : 763,369.02 = 255,952.12 : x
  2. Step 2: Convert to fraction form
    508,802.12/763,369.02 = 255,952.12/x
  3. Step 3: Cross multiply
    508,802.12x = 763,369.02 × 255,952.12
  4. Step 4: Simplify right side
    508,802.12x = 195,385,919,011.32
  5. Step 5: Solve for x
    x = 195,385,919,011.32/508,802.12
  6. Step 6: Final answer
    x = 384,011.61

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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.