Home / 275,789.04-380,734.20-185,619.12

Finding the Fourth Proportional to 275,789.04, 380,734.20 and 185,619.12

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Solution

The fourth proportional to 275,789.04, 380,734.20 and 185,619.12 is: 256,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,789.04 : 380,734.20 = 185,619.12 : x
  2. Step 2: Convert to fraction form
    275,789.04/380,734.20 = 185,619.12/x
  3. Step 3: Cross multiply
    275,789.04x = 380,734.20 × 185,619.12
  4. Step 4: Simplify right side
    275,789.04x = 70,671,547,157.90
  5. Step 5: Solve for x
    x = 70,671,547,157.90/275,789.04
  6. Step 6: Final answer
    x = 256,252.20

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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.