Home / 237,697.28-356,322.56-79,815

Finding the Fourth Proportional to 237,697.28, 356,322.56 and 79,815

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Solution

The fourth proportional to 237,697.28, 356,322.56 and 79,815 is: 119,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,697.28 : 356,322.56 = 79,815 : x
  2. Step 2: Convert to fraction form
    237,697.28/356,322.56 = 79,815/x
  3. Step 3: Cross multiply
    237,697.28x = 356,322.56 × 79,815
  4. Step 4: Simplify right side
    237,697.28x = 28,439,885,126.40
  5. Step 5: Solve for x
    x = 28,439,885,126.40/237,697.28
  6. Step 6: Final answer
    x = 119,647.50

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1.5x scale

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.