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Finding the Fourth Proportional to 300,347.52, 414,438.58 and 179,463.28

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Solution

The fourth proportional to 300,347.52, 414,438.58 and 179,463.28 is: 247,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,347.52 : 414,438.58 = 179,463.28 : x
  2. Step 2: Convert to fraction form
    300,347.52/414,438.58 = 179,463.28/x
  3. Step 3: Cross multiply
    300,347.52x = 414,438.58 × 179,463.28
  4. Step 4: Simplify right side
    300,347.52x = 74,376,506,925.34
  5. Step 5: Solve for x
    x = 74,376,506,925.34/300,347.52
  6. Step 6: Final answer
    x = 247,634.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.