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Finding the Fourth Proportional to 304,410.60, 456,587.10 and 104,711.40

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Solution

The fourth proportional to 304,410.60, 456,587.10 and 104,711.40 is: 157,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,410.60 : 456,587.10 = 104,711.40 : x
  2. Step 2: Convert to fraction form
    304,410.60/456,587.10 = 104,711.40/x
  3. Step 3: Cross multiply
    304,410.60x = 456,587.10 × 104,711.40
  4. Step 4: Simplify right side
    304,410.60x = 47,809,874,462.94
  5. Step 5: Solve for x
    x = 47,809,874,462.94/304,410.60
  6. Step 6: Final answer
    x = 157,057.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.