Home / 304,520.50-420,227.76-168,560.38

Finding the Fourth Proportional to 304,520.50, 420,227.76 and 168,560.38

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Solution

The fourth proportional to 304,520.50, 420,227.76 and 168,560.38 is: 232,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,520.50 : 420,227.76 = 168,560.38 : x
  2. Step 2: Convert to fraction form
    304,520.50/420,227.76 = 168,560.38/x
  3. Step 3: Cross multiply
    304,520.50x = 420,227.76 × 168,560.38
  4. Step 4: Simplify right side
    304,520.50x = 70,833,750,912.15
  5. Step 5: Solve for x
    x = 70,833,750,912.15/304,520.50
  6. Step 6: Final answer
    x = 232,607.50

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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.