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Finding the Fourth Proportional to 355,575.93, 533,322.83 and 89,316.17

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Solution

The fourth proportional to 355,575.93, 533,322.83 and 89,316.17 is: 133,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,575.93 : 533,322.83 = 89,316.17 : x
  2. Step 2: Convert to fraction form
    355,575.93/533,322.83 = 89,316.17/x
  3. Step 3: Cross multiply
    355,575.93x = 533,322.83 × 89,316.17
  4. Step 4: Simplify right side
    355,575.93x = 47,634,352,105.80
  5. Step 5: Solve for x
    x = 47,634,352,105.80/355,575.93
  6. Step 6: Final answer
    x = 133,963.94

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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.