Home / 437,979.34-656,967.79-105,555.34

Finding the Fourth Proportional to 437,979.34, 656,967.79 and 105,555.34

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Solution

The fourth proportional to 437,979.34, 656,967.79 and 105,555.34 is: 158,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,979.34 : 656,967.79 = 105,555.34 : x
  2. Step 2: Convert to fraction form
    437,979.34/656,967.79 = 105,555.34/x
  3. Step 3: Cross multiply
    437,979.34x = 656,967.79 × 105,555.34
  4. Step 4: Simplify right side
    437,979.34x = 69,346,458,442.50
  5. Step 5: Solve for x
    x = 69,346,458,442.50/437,979.34
  6. Step 6: Final answer
    x = 158,332.72

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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.