Home / 445,942.56-615,412.80-252,336

Finding the Fourth Proportional to 445,942.56, 615,412.80 and 252,336

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Solution

The fourth proportional to 445,942.56, 615,412.80 and 252,336 is: 348,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,942.56 : 615,412.80 = 252,336 : x
  2. Step 2: Convert to fraction form
    445,942.56/615,412.80 = 252,336/x
  3. Step 3: Cross multiply
    445,942.56x = 615,412.80 × 252,336
  4. Step 4: Simplify right side
    445,942.56x = 155,290,804,300.80
  5. Step 5: Solve for x
    x = 155,290,804,300.80/445,942.56
  6. Step 6: Final answer
    x = 348,230.51

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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.