Home / 281,273.27-388,142.16-153,924.26

Finding the Fourth Proportional to 281,273.27, 388,142.16 and 153,924.26

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Solution

The fourth proportional to 281,273.27, 388,142.16 and 153,924.26 is: 212,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,273.27 : 388,142.16 = 153,924.26 : x
  2. Step 2: Convert to fraction form
    281,273.27/388,142.16 = 153,924.26/x
  3. Step 3: Cross multiply
    281,273.27x = 388,142.16 × 153,924.26
  4. Step 4: Simplify right side
    281,273.27x = 59,744,494,752.80
  5. Step 5: Solve for x
    x = 59,744,494,752.80/281,273.27
  6. Step 6: Final answer
    x = 212,407.30

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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.