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Finding the Fourth Proportional to 508,767.96, 763,168.16 and 255,910.36

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Solution

The fourth proportional to 508,767.96, 763,168.16 and 255,910.36 is: 383,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,767.96 : 763,168.16 = 255,910.36 : x
  2. Step 2: Convert to fraction form
    508,767.96/763,168.16 = 255,910.36/x
  3. Step 3: Cross multiply
    508,767.96x = 763,168.16 × 255,910.36
  4. Step 4: Simplify right side
    508,767.96x = 195,302,638,566.14
  5. Step 5: Solve for x
    x = 195,302,638,566.14/508,767.96
  6. Step 6: Final answer
    x = 383,873.70

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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.