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Finding the Fourth Proportional to 309,953.04, 465,006.78 and 88,337.04

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Solution

The fourth proportional to 309,953.04, 465,006.78 and 88,337.04 is: 132,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,953.04 : 465,006.78 = 88,337.04 : x
  2. Step 2: Convert to fraction form
    309,953.04/465,006.78 = 88,337.04/x
  3. Step 3: Cross multiply
    309,953.04x = 465,006.78 × 88,337.04
  4. Step 4: Simplify right side
    309,953.04x = 41,077,322,525.13
  5. Step 5: Solve for x
    x = 41,077,322,525.13/309,953.04
  6. Step 6: Final answer
    x = 132,527.57

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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.