Home / 393,362.12-542,925.69-250,094.18

Finding the Fourth Proportional to 393,362.12, 542,925.69 and 250,094.18

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Solution

The fourth proportional to 393,362.12, 542,925.69 and 250,094.18 is: 345,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,362.12 : 542,925.69 = 250,094.18 : x
  2. Step 2: Convert to fraction form
    393,362.12/542,925.69 = 250,094.18/x
  3. Step 3: Cross multiply
    393,362.12x = 542,925.69 × 250,094.18
  4. Step 4: Simplify right side
    393,362.12x = 135,782,555,660.95
  5. Step 5: Solve for x
    x = 135,782,555,660.95/393,362.12
  6. Step 6: Final answer
    x = 345,184.62

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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.