Home / 440,185.80-659,987.10-159,666.60

Finding the Fourth Proportional to 440,185.80, 659,987.10 and 159,666.60

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Solution

The fourth proportional to 440,185.80, 659,987.10 and 159,666.60 is: 239,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,185.80 : 659,987.10 = 159,666.60 : x
  2. Step 2: Convert to fraction form
    440,185.80/659,987.10 = 159,666.60/x
  3. Step 3: Cross multiply
    440,185.80x = 659,987.10 × 159,666.60
  4. Step 4: Simplify right side
    440,185.80x = 105,377,896,300.86
  5. Step 5: Solve for x
    x = 105,377,896,300.86/440,185.80
  6. Step 6: Final answer
    x = 239,394.13

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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.