Home / 310,268.04-428,169.64-176,132.04

Finding the Fourth Proportional to 310,268.04, 428,169.64 and 176,132.04

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Solution

The fourth proportional to 310,268.04, 428,169.64 and 176,132.04 is: 243,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,268.04 : 428,169.64 = 176,132.04 : x
  2. Step 2: Convert to fraction form
    310,268.04/428,169.64 = 176,132.04/x
  3. Step 3: Cross multiply
    310,268.04x = 428,169.64 × 176,132.04
  4. Step 4: Simplify right side
    310,268.04x = 75,414,392,159.27
  5. Step 5: Solve for x
    x = 75,414,392,159.27/310,268.04
  6. Step 6: Final answer
    x = 243,062.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.