Home / 445,929.80-615,575.10-273,875.66

Finding the Fourth Proportional to 445,929.80, 615,575.10 and 273,875.66

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Solution

The fourth proportional to 445,929.80, 615,575.10 and 273,875.66 is: 378,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,929.80 : 615,575.10 = 273,875.66 : x
  2. Step 2: Convert to fraction form
    445,929.80/615,575.10 = 273,875.66/x
  3. Step 3: Cross multiply
    445,929.80x = 615,575.10 × 273,875.66
  4. Step 4: Simplify right side
    445,929.80x = 168,591,036,792.07
  5. Step 5: Solve for x
    x = 168,591,036,792.07/445,929.80
  6. Step 6: Final answer
    x = 378,066.32

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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.