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Finding the Fourth Proportional to 286,366.68, 429,274.62 and 136,566.36

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Solution

The fourth proportional to 286,366.68, 429,274.62 and 136,566.36 is: 204,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,366.68 : 429,274.62 = 136,566.36 : x
  2. Step 2: Convert to fraction form
    286,366.68/429,274.62 = 136,566.36/x
  3. Step 3: Cross multiply
    286,366.68x = 429,274.62 × 136,566.36
  4. Step 4: Simplify right side
    286,366.68x = 58,624,472,293.78
  5. Step 5: Solve for x
    x = 58,624,472,293.78/286,366.68
  6. Step 6: Final answer
    x = 204,718.20

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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.