Home / 445,769.86-615,204.84-254,746.21

Finding the Fourth Proportional to 445,769.86, 615,204.84 and 254,746.21

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Solution

The fourth proportional to 445,769.86, 615,204.84 and 254,746.21 is: 351,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,769.86 : 615,204.84 = 254,746.21 : x
  2. Step 2: Convert to fraction form
    445,769.86/615,204.84 = 254,746.21/x
  3. Step 3: Cross multiply
    445,769.86x = 615,204.84 × 254,746.21
  4. Step 4: Simplify right side
    445,769.86x = 156,721,101,363.66
  5. Step 5: Solve for x
    x = 156,721,101,363.66/445,769.86
  6. Step 6: Final answer
    x = 351,574.02

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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.