Home / 399,631.14-599,683.13-147,089.00

Finding the Fourth Proportional to 399,631.14, 599,683.13 and 147,089.00

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Solution

The fourth proportional to 399,631.14, 599,683.13 and 147,089.00 is: 220,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,631.14 : 599,683.13 = 147,089.00 : x
  2. Step 2: Convert to fraction form
    399,631.14/599,683.13 = 147,089.00/x
  3. Step 3: Cross multiply
    399,631.14x = 599,683.13 × 147,089.00
  4. Step 4: Simplify right side
    399,631.14x = 88,206,788,174.71
  5. Step 5: Solve for x
    x = 88,206,788,174.71/399,631.14
  6. Step 6: Final answer
    x = 220,720.51

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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.