Home / 559,376.20-839,064.30-185,399.20

Finding the Fourth Proportional to 559,376.20, 839,064.30 and 185,399.20

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Solution

The fourth proportional to 559,376.20, 839,064.30 and 185,399.20 is: 278,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,376.20 : 839,064.30 = 185,399.20 : x
  2. Step 2: Convert to fraction form
    559,376.20/839,064.30 = 185,399.20/x
  3. Step 3: Cross multiply
    559,376.20x = 839,064.30 × 185,399.20
  4. Step 4: Simplify right side
    559,376.20x = 155,561,849,968.56
  5. Step 5: Solve for x
    x = 155,561,849,968.56/559,376.20
  6. Step 6: Final answer
    x = 278,098.80

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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.