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Finding the Fourth Proportional to 304,478.62, 420,167.58 and 168,499.85

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Solution

The fourth proportional to 304,478.62, 420,167.58 and 168,499.85 is: 232,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,478.62 : 420,167.58 = 168,499.85 : x
  2. Step 2: Convert to fraction form
    304,478.62/420,167.58 = 168,499.85/x
  3. Step 3: Cross multiply
    304,478.62x = 420,167.58 × 168,499.85
  4. Step 4: Simplify right side
    304,478.62x = 70,798,171,946.06
  5. Step 5: Solve for x
    x = 70,798,171,946.06/304,478.62
  6. Step 6: Final answer
    x = 232,522.64

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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.