Home / 310,541.61-428,517.63-174,544.23

Finding the Fourth Proportional to 310,541.61, 428,517.63 and 174,544.23

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Solution

The fourth proportional to 310,541.61, 428,517.63 and 174,544.23 is: 240,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,541.61 : 428,517.63 = 174,544.23 : x
  2. Step 2: Convert to fraction form
    310,541.61/428,517.63 = 174,544.23/x
  3. Step 3: Cross multiply
    310,541.61x = 428,517.63 × 174,544.23
  4. Step 4: Simplify right side
    310,541.61x = 74,795,279,769.77
  5. Step 5: Solve for x
    x = 74,795,279,769.77/310,541.61
  6. Step 6: Final answer
    x = 240,854.29

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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.