Home / 347,731.18-521,596.76-189,873.52

Finding the Fourth Proportional to 347,731.18, 521,596.76 and 189,873.52

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Solution

The fourth proportional to 347,731.18, 521,596.76 and 189,873.52 is: 284,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,731.18 : 521,596.76 = 189,873.52 : x
  2. Step 2: Convert to fraction form
    347,731.18/521,596.76 = 189,873.52/x
  3. Step 3: Cross multiply
    347,731.18x = 521,596.76 × 189,873.52
  4. Step 4: Simplify right side
    347,731.18x = 99,037,412,841.80
  5. Step 5: Solve for x
    x = 99,037,412,841.80/347,731.18
  6. Step 6: Final answer
    x = 284,810.27

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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.