Home / 358,719.10-538,086.69-133,956.92

Finding the Fourth Proportional to 358,719.10, 538,086.69 and 133,956.92

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Solution

The fourth proportional to 358,719.10, 538,086.69 and 133,956.92 is: 200,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,719.10 : 538,086.69 = 133,956.92 : x
  2. Step 2: Convert to fraction form
    358,719.10/538,086.69 = 133,956.92/x
  3. Step 3: Cross multiply
    358,719.10x = 538,086.69 × 133,956.92
  4. Step 4: Simplify right side
    358,719.10x = 72,080,437,030.61
  5. Step 5: Solve for x
    x = 72,080,437,030.61/358,719.10
  6. Step 6: Final answer
    x = 200,938.39

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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.