Home / 393,027.94-589,666.56-140,302.88

Finding the Fourth Proportional to 393,027.94, 589,666.56 and 140,302.88

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Solution

The fourth proportional to 393,027.94, 589,666.56 and 140,302.88 is: 210,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,027.94 : 589,666.56 = 140,302.88 : x
  2. Step 2: Convert to fraction form
    393,027.94/589,666.56 = 140,302.88/x
  3. Step 3: Cross multiply
    393,027.94x = 589,666.56 × 140,302.88
  4. Step 4: Simplify right side
    393,027.94x = 82,731,916,607.69
  5. Step 5: Solve for x
    x = 82,731,916,607.69/393,027.94
  6. Step 6: Final answer
    x = 210,498.82

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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.