Home / 310,558.60-428,560.86-174,598.25

Finding the Fourth Proportional to 310,558.60, 428,560.86 and 174,598.25

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Solution

The fourth proportional to 310,558.60, 428,560.86 and 174,598.25 is: 240,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,558.60 : 428,560.86 = 174,598.25 : x
  2. Step 2: Convert to fraction form
    310,558.60/428,560.86 = 174,598.25/x
  3. Step 3: Cross multiply
    310,558.60x = 428,560.86 × 174,598.25
  4. Step 4: Simplify right side
    310,558.60x = 74,825,976,174.50
  5. Step 5: Solve for x
    x = 74,825,976,174.50/310,558.60
  6. Step 6: Final answer
    x = 240,939.96

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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.