Home / 478,233.03-717,444.15-136,679.52

Finding the Fourth Proportional to 478,233.03, 717,444.15 and 136,679.52

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Solution

The fourth proportional to 478,233.03, 717,444.15 and 136,679.52 is: 205,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,233.03 : 717,444.15 = 136,679.52 : x
  2. Step 2: Convert to fraction form
    478,233.03/717,444.15 = 136,679.52/x
  3. Step 3: Cross multiply
    478,233.03x = 717,444.15 × 136,679.52
  4. Step 4: Simplify right side
    478,233.03x = 98,059,922,048.81
  5. Step 5: Solve for x
    x = 98,059,922,048.81/478,233.03
  6. Step 6: Final answer
    x = 205,046.32

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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.