Home / 478,934.19-718,456.87-159,114.60

Finding the Fourth Proportional to 478,934.19, 718,456.87 and 159,114.60

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Solution

The fourth proportional to 478,934.19, 718,456.87 and 159,114.60 is: 238,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,934.19 : 718,456.87 = 159,114.60 : x
  2. Step 2: Convert to fraction form
    478,934.19/718,456.87 = 159,114.60/x
  3. Step 3: Cross multiply
    478,934.19x = 718,456.87 × 159,114.60
  4. Step 4: Simplify right side
    478,934.19x = 114,316,977,089.52
  5. Step 5: Solve for x
    x = 114,316,977,089.52/478,934.19
  6. Step 6: Final answer
    x = 238,690.37

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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.