Home / 272,437.83-408,652.64-122,572.29

Finding the Fourth Proportional to 272,437.83, 408,652.64 and 122,572.29

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Solution

The fourth proportional to 272,437.83, 408,652.64 and 122,572.29 is: 183,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,437.83 : 408,652.64 = 122,572.29 : x
  2. Step 2: Convert to fraction form
    272,437.83/408,652.64 = 122,572.29/x
  3. Step 3: Cross multiply
    272,437.83x = 408,652.64 × 122,572.29
  4. Step 4: Simplify right side
    272,437.83x = 50,089,488,635.17
  5. Step 5: Solve for x
    x = 50,089,488,635.17/272,437.83
  6. Step 6: Final answer
    x = 183,856.58

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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.