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Finding the Fourth Proportional to 300,620.88, 414,931.68 and 173,373.12

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Solution

The fourth proportional to 300,620.88, 414,931.68 and 173,373.12 is: 239,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,620.88 : 414,931.68 = 173,373.12 : x
  2. Step 2: Convert to fraction form
    300,620.88/414,931.68 = 173,373.12/x
  3. Step 3: Cross multiply
    300,620.88x = 414,931.68 × 173,373.12
  4. Step 4: Simplify right side
    300,620.88x = 71,937,999,948.44
  5. Step 5: Solve for x
    x = 71,937,999,948.44/300,620.88
  6. Step 6: Final answer
    x = 239,298.08

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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.