Home / 353,231.02-487,471.60-202,357.18

Finding the Fourth Proportional to 353,231.02, 487,471.60 and 202,357.18

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Solution

The fourth proportional to 353,231.02, 487,471.60 and 202,357.18 is: 279,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,231.02 : 487,471.60 = 202,357.18 : x
  2. Step 2: Convert to fraction form
    353,231.02/487,471.60 = 202,357.18/x
  3. Step 3: Cross multiply
    353,231.02x = 487,471.60 × 202,357.18
  4. Step 4: Simplify right side
    353,231.02x = 98,643,378,306.09
  5. Step 5: Solve for x
    x = 98,643,378,306.09/353,231.02
  6. Step 6: Final answer
    x = 279,260.24

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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.