Home / 304,723.76-420,520.60-168,761.84

Finding the Fourth Proportional to 304,723.76, 420,520.60 and 168,761.84

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Solution

The fourth proportional to 304,723.76, 420,520.60 and 168,761.84 is: 232,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,723.76 : 420,520.60 = 168,761.84 : x
  2. Step 2: Convert to fraction form
    304,723.76/420,520.60 = 168,761.84/x
  3. Step 3: Cross multiply
    304,723.76x = 420,520.60 × 168,761.84
  4. Step 4: Simplify right side
    304,723.76x = 70,967,830,213.90
  5. Step 5: Solve for x
    x = 70,967,830,213.90/304,723.76
  6. Step 6: Final answer
    x = 232,892.34

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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.