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Finding the Fourth Proportional to 153,615, 230,513.22 and 64,862.76

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Solution

The fourth proportional to 153,615, 230,513.22 and 64,862.76 is: 97,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,615 : 230,513.22 = 64,862.76 : x
  2. Step 2: Convert to fraction form
    153,615/230,513.22 = 64,862.76/x
  3. Step 3: Cross multiply
    153,615x = 230,513.22 × 64,862.76
  4. Step 4: Simplify right side
    153,615x = 14,951,723,665.69
  5. Step 5: Solve for x
    x = 14,951,723,665.69/153,615
  6. Step 6: Final answer
    x = 97,332.45

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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.