Home / 355,584.34-533,335.40-89,324.59

Finding the Fourth Proportional to 355,584.34, 533,335.40 and 89,324.59

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Solution

The fourth proportional to 355,584.34, 533,335.40 and 89,324.59 is: 133,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,584.34 : 533,335.40 = 89,324.59 : x
  2. Step 2: Convert to fraction form
    355,584.34/533,335.40 = 89,324.59/x
  3. Step 3: Cross multiply
    355,584.34x = 533,335.40 × 89,324.59
  4. Step 4: Simplify right side
    355,584.34x = 47,639,962,824.19
  5. Step 5: Solve for x
    x = 47,639,962,824.19/355,584.34
  6. Step 6: Final answer
    x = 133,976.55

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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.