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Finding the Fourth Proportional to 508,090.47, 762,038.43 and 255,300.95

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Solution

The fourth proportional to 508,090.47, 762,038.43 and 255,300.95 is: 382,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,090.47 : 762,038.43 = 255,300.95 : x
  2. Step 2: Convert to fraction form
    508,090.47/762,038.43 = 255,300.95/x
  3. Step 3: Cross multiply
    508,090.47x = 762,038.43 × 255,300.95
  4. Step 4: Simplify right side
    508,090.47x = 194,549,131,305.32
  5. Step 5: Solve for x
    x = 194,549,131,305.32/508,090.47
  6. Step 6: Final answer
    x = 382,902.54

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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.