Home / 288,569.02-432,856.77-88,887.82

Finding the Fourth Proportional to 288,569.02, 432,856.77 and 88,887.82

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Solution

The fourth proportional to 288,569.02, 432,856.77 and 88,887.82 is: 133,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,569.02 : 432,856.77 = 88,887.82 : x
  2. Step 2: Convert to fraction form
    288,569.02/432,856.77 = 88,887.82/x
  3. Step 3: Cross multiply
    288,569.02x = 432,856.77 × 88,887.82
  4. Step 4: Simplify right side
    288,569.02x = 38,475,694,657.54
  5. Step 5: Solve for x
    x = 38,475,694,657.54/288,569.02
  6. Step 6: Final answer
    x = 133,332.73

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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.