Home / 470,982.02-649,959.54-256,124.12

Finding the Fourth Proportional to 470,982.02, 649,959.54 and 256,124.12

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Solution

The fourth proportional to 470,982.02, 649,959.54 and 256,124.12 is: 353,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,982.02 : 649,959.54 = 256,124.12 : x
  2. Step 2: Convert to fraction form
    470,982.02/649,959.54 = 256,124.12/x
  3. Step 3: Cross multiply
    470,982.02x = 649,959.54 × 256,124.12
  4. Step 4: Simplify right side
    470,982.02x = 166,470,315,218.11
  5. Step 5: Solve for x
    x = 166,470,315,218.11/470,982.02
  6. Step 6: Final answer
    x = 353,453.65

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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.