Home / 614,839.98-922,391.19-215,505.12

Finding the Fourth Proportional to 614,839.98, 922,391.19 and 215,505.12

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Solution

The fourth proportional to 614,839.98, 922,391.19 and 215,505.12 is: 323,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,839.98 : 922,391.19 = 215,505.12 : x
  2. Step 2: Convert to fraction form
    614,839.98/922,391.19 = 215,505.12/x
  3. Step 3: Cross multiply
    614,839.98x = 922,391.19 × 215,505.12
  4. Step 4: Simplify right side
    614,839.98x = 198,780,024,087.89
  5. Step 5: Solve for x
    x = 198,780,024,087.89/614,839.98
  6. Step 6: Final answer
    x = 323,303.67

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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.