Home / 581,079.41-871,634.69-181,720.18

Finding the Fourth Proportional to 581,079.41, 871,634.69 and 181,720.18

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Solution

The fourth proportional to 581,079.41, 871,634.69 and 181,720.18 is: 272,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,079.41 : 871,634.69 = 181,720.18 : x
  2. Step 2: Convert to fraction form
    581,079.41/871,634.69 = 181,720.18/x
  3. Step 3: Cross multiply
    581,079.41x = 871,634.69 × 181,720.18
  4. Step 4: Simplify right side
    581,079.41x = 158,393,609,673.36
  5. Step 5: Solve for x
    x = 158,393,609,673.36/581,079.41
  6. Step 6: Final answer
    x = 272,585.13

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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.