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Finding the Fourth Proportional to 254,139.66, 350,723.82 and 152,145.47

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Solution

The fourth proportional to 254,139.66, 350,723.82 and 152,145.47 is: 209,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,139.66 : 350,723.82 = 152,145.47 : x
  2. Step 2: Convert to fraction form
    254,139.66/350,723.82 = 152,145.47/x
  3. Step 3: Cross multiply
    254,139.66x = 350,723.82 × 152,145.47
  4. Step 4: Simplify right side
    254,139.66x = 53,361,038,680.48
  5. Step 5: Solve for x
    x = 53,361,038,680.48/254,139.66
  6. Step 6: Final answer
    x = 209,967.38

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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.