Home / 306,260.48-459,354.26-81,637.76

Finding the Fourth Proportional to 306,260.48, 459,354.26 and 81,637.76

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Solution

The fourth proportional to 306,260.48, 459,354.26 and 81,637.76 is: 122,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,260.48 : 459,354.26 = 81,637.76 : x
  2. Step 2: Convert to fraction form
    306,260.48/459,354.26 = 81,637.76/x
  3. Step 3: Cross multiply
    306,260.48x = 459,354.26 × 81,637.76
  4. Step 4: Simplify right side
    306,260.48x = 37,500,652,832.86
  5. Step 5: Solve for x
    x = 37,500,652,832.86/306,260.48
  6. Step 6: Final answer
    x = 122,446.92

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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.