Home / 370,432.02-511,199.70-200,669.78

Finding the Fourth Proportional to 370,432.02, 511,199.70 and 200,669.78

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Solution

The fourth proportional to 370,432.02, 511,199.70 and 200,669.78 is: 276,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,432.02 : 511,199.70 = 200,669.78 : x
  2. Step 2: Convert to fraction form
    370,432.02/511,199.70 = 200,669.78/x
  3. Step 3: Cross multiply
    370,432.02x = 511,199.70 × 200,669.78
  4. Step 4: Simplify right side
    370,432.02x = 102,582,331,335.07
  5. Step 5: Solve for x
    x = 102,582,331,335.07/370,432.02
  6. Step 6: Final answer
    x = 276,926.20

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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.