Home / 393,821.20-590,703.14-153,890.16

Finding the Fourth Proportional to 393,821.20, 590,703.14 and 153,890.16

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Solution

The fourth proportional to 393,821.20, 590,703.14 and 153,890.16 is: 230,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,821.20 : 590,703.14 = 153,890.16 : x
  2. Step 2: Convert to fraction form
    393,821.20/590,703.14 = 153,890.16/x
  3. Step 3: Cross multiply
    393,821.20x = 590,703.14 × 153,890.16
  4. Step 4: Simplify right side
    393,821.20x = 90,903,400,727.10
  5. Step 5: Solve for x
    x = 90,903,400,727.10/393,821.20
  6. Step 6: Final answer
    x = 230,824.04

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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.