Home / 310,559.10-428,561.55-174,598.75

Finding the Fourth Proportional to 310,559.10, 428,561.55 and 174,598.75

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Solution

The fourth proportional to 310,559.10, 428,561.55 and 174,598.75 is: 240,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,559.10 : 428,561.55 = 174,598.75 : x
  2. Step 2: Convert to fraction form
    310,559.10/428,561.55 = 174,598.75/x
  3. Step 3: Cross multiply
    310,559.10x = 428,561.55 × 174,598.75
  4. Step 4: Simplify right side
    310,559.10x = 74,826,310,928.06
  5. Step 5: Solve for x
    x = 74,826,310,928.06/310,559.10
  6. Step 6: Final answer
    x = 240,940.65

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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.