Home / 445,835.83-615,253.38-254,853.35

Finding the Fourth Proportional to 445,835.83, 615,253.38 and 254,853.35

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Solution

The fourth proportional to 445,835.83, 615,253.38 and 254,853.35 is: 351,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,835.83 : 615,253.38 = 254,853.35 : x
  2. Step 2: Convert to fraction form
    445,835.83/615,253.38 = 254,853.35/x
  3. Step 3: Cross multiply
    445,835.83x = 615,253.38 × 254,853.35
  4. Step 4: Simplify right side
    445,835.83x = 156,799,381,915.56
  5. Step 5: Solve for x
    x = 156,799,381,915.56/445,835.83
  6. Step 6: Final answer
    x = 351,697.58

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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.