Home / 458,146.23-687,054.69-158,545.47

Finding the Fourth Proportional to 458,146.23, 687,054.69 and 158,545.47

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Solution

The fourth proportional to 458,146.23, 687,054.69 and 158,545.47 is: 237,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,146.23 : 687,054.69 = 158,545.47 : x
  2. Step 2: Convert to fraction form
    458,146.23/687,054.69 = 158,545.47/x
  3. Step 3: Cross multiply
    458,146.23x = 687,054.69 × 158,545.47
  4. Step 4: Simplify right side
    458,146.23x = 108,929,408,741.75
  5. Step 5: Solve for x
    x = 108,929,408,741.75/458,146.23
  6. Step 6: Final answer
    x = 237,761.22

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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.