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Finding the Fourth Proportional to 304,542.08, 420,257.40 and 168,576.32

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Solution

The fourth proportional to 304,542.08, 420,257.40 and 168,576.32 is: 232,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,542.08 : 420,257.40 = 168,576.32 : x
  2. Step 2: Convert to fraction form
    304,542.08/420,257.40 = 168,576.32/x
  3. Step 3: Cross multiply
    304,542.08x = 420,257.40 × 168,576.32
  4. Step 4: Simplify right side
    304,542.08x = 70,845,445,944.77
  5. Step 5: Solve for x
    x = 70,845,445,944.77/304,542.08
  6. Step 6: Final answer
    x = 232,629.42

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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.