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Finding the Fourth Proportional to 355,990.08, 534,354.24 and 238,482.58

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Solution

The fourth proportional to 355,990.08, 534,354.24 and 238,482.58 is: 357,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,990.08 : 534,354.24 = 238,482.58 : x
  2. Step 2: Convert to fraction form
    355,990.08/534,354.24 = 238,482.58/x
  3. Step 3: Cross multiply
    355,990.08x = 534,354.24 × 238,482.58
  4. Step 4: Simplify right side
    355,990.08x = 127,434,177,789.14
  5. Step 5: Solve for x
    x = 127,434,177,789.14/355,990.08
  6. Step 6: Final answer
    x = 357,971.15

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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.