Home / 538,724.52-808,099.02-159,638.04

Finding the Fourth Proportional to 538,724.52, 808,099.02 and 159,638.04

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Solution

The fourth proportional to 538,724.52, 808,099.02 and 159,638.04 is: 239,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,724.52 : 808,099.02 = 159,638.04 : x
  2. Step 2: Convert to fraction form
    538,724.52/808,099.02 = 159,638.04/x
  3. Step 3: Cross multiply
    538,724.52x = 808,099.02 × 159,638.04
  4. Step 4: Simplify right side
    538,724.52x = 129,003,343,678.72
  5. Step 5: Solve for x
    x = 129,003,343,678.72/538,724.52
  6. Step 6: Final answer
    x = 239,460.69

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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.