Home / 306,215.78-459,293.96-92,985.53

Finding the Fourth Proportional to 306,215.78, 459,293.96 and 92,985.53

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Solution

The fourth proportional to 306,215.78, 459,293.96 and 92,985.53 is: 139,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,215.78 : 459,293.96 = 92,985.53 : x
  2. Step 2: Convert to fraction form
    306,215.78/459,293.96 = 92,985.53/x
  3. Step 3: Cross multiply
    306,215.78x = 459,293.96 × 92,985.53
  4. Step 4: Simplify right side
    306,215.78x = 42,707,693,677.10
  5. Step 5: Solve for x
    x = 42,707,693,677.10/306,215.78
  6. Step 6: Final answer
    x = 139,469.28

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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.