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Finding the Fourth Proportional to 412,950.60, 569,875.72 and 231,666.42

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Solution

The fourth proportional to 412,950.60, 569,875.72 and 231,666.42 is: 319,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,950.60 : 569,875.72 = 231,666.42 : x
  2. Step 2: Convert to fraction form
    412,950.60/569,875.72 = 231,666.42/x
  3. Step 3: Cross multiply
    412,950.60x = 569,875.72 × 231,666.42
  4. Step 4: Simplify right side
    412,950.60x = 132,021,069,889.57
  5. Step 5: Solve for x
    x = 132,021,069,889.57/412,950.60
  6. Step 6: Final answer
    x = 319,701.85

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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.