Home / 309,781.04-463,921.28-157,577.69

Finding the Fourth Proportional to 309,781.04, 463,921.28 and 157,577.69

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Solution

The fourth proportional to 309,781.04, 463,921.28 and 157,577.69 is: 235,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,781.04 : 463,921.28 = 157,577.69 : x
  2. Step 2: Convert to fraction form
    309,781.04/463,921.28 = 157,577.69/x
  3. Step 3: Cross multiply
    309,781.04x = 463,921.28 × 157,577.69
  4. Step 4: Simplify right side
    309,781.04x = 73,103,642,856.35
  5. Step 5: Solve for x
    x = 73,103,642,856.35/309,781.04
  6. Step 6: Final answer
    x = 235,984.88

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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.