Home / 272,483.82-408,746.16-72,799.74

Finding the Fourth Proportional to 272,483.82, 408,746.16 and 72,799.74

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Solution

The fourth proportional to 272,483.82, 408,746.16 and 72,799.74 is: 109,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,483.82 : 408,746.16 = 72,799.74 : x
  2. Step 2: Convert to fraction form
    272,483.82/408,746.16 = 72,799.74/x
  3. Step 3: Cross multiply
    272,483.82x = 408,746.16 × 72,799.74
  4. Step 4: Simplify right side
    272,483.82x = 29,756,614,174.00
  5. Step 5: Solve for x
    x = 29,756,614,174.00/272,483.82
  6. Step 6: Final answer
    x = 109,205.07

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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.