Home / 278,473.04-384,282.50-151,145.92

Finding the Fourth Proportional to 278,473.04, 384,282.50 and 151,145.92

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Solution

The fourth proportional to 278,473.04, 384,282.50 and 151,145.92 is: 208,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,473.04 : 384,282.50 = 151,145.92 : x
  2. Step 2: Convert to fraction form
    278,473.04/384,282.50 = 151,145.92/x
  3. Step 3: Cross multiply
    278,473.04x = 384,282.50 × 151,145.92
  4. Step 4: Simplify right side
    278,473.04x = 58,082,732,002.40
  5. Step 5: Solve for x
    x = 58,082,732,002.40/278,473.04
  6. Step 6: Final answer
    x = 208,575.78

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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.