Home / 445,949.32-615,410.48-254,966.72

Finding the Fourth Proportional to 445,949.32, 615,410.48 and 254,966.72

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Solution

The fourth proportional to 445,949.32, 615,410.48 and 254,966.72 is: 351,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,949.32 : 615,410.48 = 254,966.72 : x
  2. Step 2: Convert to fraction form
    445,949.32/615,410.48 = 254,966.72/x
  3. Step 3: Cross multiply
    445,949.32x = 615,410.48 × 254,966.72
  4. Step 4: Simplify right side
    445,949.32x = 156,909,191,539.23
  5. Step 5: Solve for x
    x = 156,909,191,539.23/445,949.32
  6. Step 6: Final answer
    x = 351,854.31

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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.