Home / 227,415.40-341,123.10-77,642.35

Finding the Fourth Proportional to 227,415.40, 341,123.10 and 77,642.35

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Solution

The fourth proportional to 227,415.40, 341,123.10 and 77,642.35 is: 116,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,415.40 : 341,123.10 = 77,642.35 : x
  2. Step 2: Convert to fraction form
    227,415.40/341,123.10 = 77,642.35/x
  3. Step 3: Cross multiply
    227,415.40x = 341,123.10 × 77,642.35
  4. Step 4: Simplify right side
    227,415.40x = 26,485,599,123.29
  5. Step 5: Solve for x
    x = 26,485,599,123.29/227,415.40
  6. Step 6: Final answer
    x = 116,463.53

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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.