Home / 467,842.80-645,622.59-252,982.32

Finding the Fourth Proportional to 467,842.80, 645,622.59 and 252,982.32

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Solution

The fourth proportional to 467,842.80, 645,622.59 and 252,982.32 is: 349,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,842.80 : 645,622.59 = 252,982.32 : x
  2. Step 2: Convert to fraction form
    467,842.80/645,622.59 = 252,982.32/x
  3. Step 3: Cross multiply
    467,842.80x = 645,622.59 × 252,982.32
  4. Step 4: Simplify right side
    467,842.80x = 163,331,100,662.61
  5. Step 5: Solve for x
    x = 163,331,100,662.61/467,842.80
  6. Step 6: Final answer
    x = 349,115.35

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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.