Home / 316,268.68-474,391.02-79,608.28

Finding the Fourth Proportional to 316,268.68, 474,391.02 and 79,608.28

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Solution

The fourth proportional to 316,268.68, 474,391.02 and 79,608.28 is: 119,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,268.68 : 474,391.02 = 79,608.28 : x
  2. Step 2: Convert to fraction form
    316,268.68/474,391.02 = 79,608.28/x
  3. Step 3: Cross multiply
    316,268.68x = 474,391.02 × 79,608.28
  4. Step 4: Simplify right side
    316,268.68x = 37,765,453,149.65
  5. Step 5: Solve for x
    x = 37,765,453,149.65/316,268.68
  6. Step 6: Final answer
    x = 119,409.40

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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.