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Finding the Fourth Proportional to 304,520.31, 420,227.28 and 168,554.52

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Solution

The fourth proportional to 304,520.31, 420,227.28 and 168,554.52 is: 232,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,520.31 : 420,227.28 = 168,554.52 : x
  2. Step 2: Convert to fraction form
    304,520.31/420,227.28 = 168,554.52/x
  3. Step 3: Cross multiply
    304,520.31x = 420,227.28 × 168,554.52
  4. Step 4: Simplify right side
    304,520.31x = 70,831,207,471.31
  5. Step 5: Solve for x
    x = 70,831,207,471.31/304,520.31
  6. Step 6: Final answer
    x = 232,599.29

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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.