Home / 399,157.04-598,417.44-230,485.88

Finding the Fourth Proportional to 399,157.04, 598,417.44 and 230,485.88

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Solution

The fourth proportional to 399,157.04, 598,417.44 and 230,485.88 is: 345,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,157.04 : 598,417.44 = 230,485.88 : x
  2. Step 2: Convert to fraction form
    399,157.04/598,417.44 = 230,485.88/x
  3. Step 3: Cross multiply
    399,157.04x = 598,417.44 × 230,485.88
  4. Step 4: Simplify right side
    399,157.04x = 137,926,770,265.75
  5. Step 5: Solve for x
    x = 137,926,770,265.75/399,157.04
  6. Step 6: Final answer
    x = 345,545.13

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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.