Home / 470,921.92-649,873.02-256,061.80

Finding the Fourth Proportional to 470,921.92, 649,873.02 and 256,061.80

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Solution

The fourth proportional to 470,921.92, 649,873.02 and 256,061.80 is: 353,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,921.92 : 649,873.02 = 256,061.80 : x
  2. Step 2: Convert to fraction form
    470,921.92/649,873.02 = 256,061.80/x
  3. Step 3: Cross multiply
    470,921.92x = 649,873.02 × 256,061.80
  4. Step 4: Simplify right side
    470,921.92x = 166,407,655,272.64
  5. Step 5: Solve for x
    x = 166,407,655,272.64/470,921.92
  6. Step 6: Final answer
    x = 353,365.70

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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.