Home / 470,182.20-649,016.99-279,194.23

Finding the Fourth Proportional to 470,182.20, 649,016.99 and 279,194.23

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Solution

The fourth proportional to 470,182.20, 649,016.99 and 279,194.23 is: 385,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,182.20 : 649,016.99 = 279,194.23 : x
  2. Step 2: Convert to fraction form
    470,182.20/649,016.99 = 279,194.23/x
  3. Step 3: Cross multiply
    470,182.20x = 649,016.99 × 279,194.23
  4. Step 4: Simplify right side
    470,182.20x = 181,201,798,779.97
  5. Step 5: Solve for x
    x = 181,201,798,779.97/470,182.20
  6. Step 6: Final answer
    x = 385,386.34

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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.