Home / 380,665.44-525,340.08-229,785.12

Finding the Fourth Proportional to 380,665.44, 525,340.08 and 229,785.12

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Solution

The fourth proportional to 380,665.44, 525,340.08 and 229,785.12 is: 317,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,665.44 : 525,340.08 = 229,785.12 : x
  2. Step 2: Convert to fraction form
    380,665.44/525,340.08 = 229,785.12/x
  3. Step 3: Cross multiply
    380,665.44x = 525,340.08 × 229,785.12
  4. Step 4: Simplify right side
    380,665.44x = 120,715,333,323.61
  5. Step 5: Solve for x
    x = 120,715,333,323.61/380,665.44
  6. Step 6: Final answer
    x = 317,116.61

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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.