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Finding the Fourth Proportional to 253,685.16, 350,119.80 and 146,253.24

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Solution

The fourth proportional to 253,685.16, 350,119.80 and 146,253.24 is: 201,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,685.16 : 350,119.80 = 146,253.24 : x
  2. Step 2: Convert to fraction form
    253,685.16/350,119.80 = 146,253.24/x
  3. Step 3: Cross multiply
    253,685.16x = 350,119.80 × 146,253.24
  4. Step 4: Simplify right side
    253,685.16x = 51,206,155,138.15
  5. Step 5: Solve for x
    x = 51,206,155,138.15/253,685.16
  6. Step 6: Final answer
    x = 201,849.23

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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.