Home / 254,637.50-351,432.15-154,036.22

Finding the Fourth Proportional to 254,637.50, 351,432.15 and 154,036.22

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Solution

The fourth proportional to 254,637.50, 351,432.15 and 154,036.22 is: 212,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,637.50 : 351,432.15 = 154,036.22 : x
  2. Step 2: Convert to fraction form
    254,637.50/351,432.15 = 154,036.22/x
  3. Step 3: Cross multiply
    254,637.50x = 351,432.15 × 154,036.22
  4. Step 4: Simplify right side
    254,637.50x = 54,133,279,972.47
  5. Step 5: Solve for x
    x = 54,133,279,972.47/254,637.50
  6. Step 6: Final answer
    x = 212,589.58

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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.