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Finding the Fourth Proportional to 304,422.06, 420,123.45 and 168,461.73

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Solution

The fourth proportional to 304,422.06, 420,123.45 and 168,461.73 is: 232,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,422.06 : 420,123.45 = 168,461.73 : x
  2. Step 2: Convert to fraction form
    304,422.06/420,123.45 = 168,461.73/x
  3. Step 3: Cross multiply
    304,422.06x = 420,123.45 × 168,461.73
  4. Step 4: Simplify right side
    304,422.06x = 70,774,723,200.57
  5. Step 5: Solve for x
    x = 70,774,723,200.57/304,422.06
  6. Step 6: Final answer
    x = 232,488.81

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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.