Home / 581,132.18-871,707.03-221,322.93

Finding the Fourth Proportional to 581,132.18, 871,707.03 and 221,322.93

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Solution

The fourth proportional to 581,132.18, 871,707.03 and 221,322.93 is: 331,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,132.18 : 871,707.03 = 221,322.93 : x
  2. Step 2: Convert to fraction form
    581,132.18/871,707.03 = 221,322.93/x
  3. Step 3: Cross multiply
    581,132.18x = 871,707.03 × 221,322.93
  4. Step 4: Simplify right side
    581,132.18x = 192,928,749,882.34
  5. Step 5: Solve for x
    x = 192,928,749,882.34/581,132.18
  6. Step 6: Final answer
    x = 331,987.72

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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.