Home / 393,454.06-590,213.61-165,815.53

Finding the Fourth Proportional to 393,454.06, 590,213.61 and 165,815.53

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Solution

The fourth proportional to 393,454.06, 590,213.61 and 165,815.53 is: 248,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,454.06 : 590,213.61 = 165,815.53 : x
  2. Step 2: Convert to fraction form
    393,454.06/590,213.61 = 165,815.53/x
  3. Step 3: Cross multiply
    393,454.06x = 590,213.61 × 165,815.53
  4. Step 4: Simplify right side
    393,454.06x = 97,866,582,555.36
  5. Step 5: Solve for x
    x = 97,866,582,555.36/393,454.06
  6. Step 6: Final answer
    x = 248,737.00

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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.