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Finding the Fourth Proportional to 304,373.10, 420,047.24 and 168,404.84

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Solution

The fourth proportional to 304,373.10, 420,047.24 and 168,404.84 is: 232,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,373.10 : 420,047.24 = 168,404.84 : x
  2. Step 2: Convert to fraction form
    304,373.10/420,047.24 = 168,404.84/x
  3. Step 3: Cross multiply
    304,373.10x = 420,047.24 × 168,404.84
  4. Step 4: Simplify right side
    304,373.10x = 70,737,985,302.38
  5. Step 5: Solve for x
    x = 70,737,985,302.38/304,373.10
  6. Step 6: Final answer
    x = 232,405.51

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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.