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Finding the Fourth Proportional to 304,468.60, 420,167.40 and 168,511.90

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Solution

The fourth proportional to 304,468.60, 420,167.40 and 168,511.90 is: 232,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,468.60 : 420,167.40 = 168,511.90 : x
  2. Step 2: Convert to fraction form
    304,468.60/420,167.40 = 168,511.90/x
  3. Step 3: Cross multiply
    304,468.60x = 420,167.40 × 168,511.90
  4. Step 4: Simplify right side
    304,468.60x = 70,803,206,892.06
  5. Step 5: Solve for x
    x = 70,803,206,892.06/304,468.60
  6. Step 6: Final answer
    x = 232,546.83

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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.