Home / 316,628.89-474,844.01-92,004.86

Finding the Fourth Proportional to 316,628.89, 474,844.01 and 92,004.86

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Solution

The fourth proportional to 316,628.89, 474,844.01 and 92,004.86 is: 137,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,628.89 : 474,844.01 = 92,004.86 : x
  2. Step 2: Convert to fraction form
    316,628.89/474,844.01 = 92,004.86/x
  3. Step 3: Cross multiply
    316,628.89x = 474,844.01 × 92,004.86
  4. Step 4: Simplify right side
    316,628.89x = 43,687,956,661.89
  5. Step 5: Solve for x
    x = 43,687,956,661.89/316,628.89
  6. Step 6: Final answer
    x = 137,978.43

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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.