Home / 316,184.72-474,301.78-91,548.50

Finding the Fourth Proportional to 316,184.72, 474,301.78 and 91,548.50

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Solution

The fourth proportional to 316,184.72, 474,301.78 and 91,548.50 is: 137,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,184.72 : 474,301.78 = 91,548.50 : x
  2. Step 2: Convert to fraction form
    316,184.72/474,301.78 = 91,548.50/x
  3. Step 3: Cross multiply
    316,184.72x = 474,301.78 × 91,548.50
  4. Step 4: Simplify right side
    316,184.72x = 43,421,613,905.95
  5. Step 5: Solve for x
    x = 43,421,613,905.95/316,184.72
  6. Step 6: Final answer
    x = 137,329.90

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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.