Home / 470,040.12-648,655.38-255,179.88

Finding the Fourth Proportional to 470,040.12, 648,655.38 and 255,179.88

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Solution

The fourth proportional to 470,040.12, 648,655.38 and 255,179.88 is: 352,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,040.12 : 648,655.38 = 255,179.88 : x
  2. Step 2: Convert to fraction form
    470,040.12/648,655.38 = 255,179.88/x
  3. Step 3: Cross multiply
    470,040.12x = 648,655.38 × 255,179.88
  4. Step 4: Simplify right side
    470,040.12x = 165,523,802,029.75
  5. Step 5: Solve for x
    x = 165,523,802,029.75/470,040.12
  6. Step 6: Final answer
    x = 352,148.24

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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.