Home / 470,821.23-649,740.69-255,962.12

Finding the Fourth Proportional to 470,821.23, 649,740.69 and 255,962.12

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Solution

The fourth proportional to 470,821.23, 649,740.69 and 255,962.12 is: 353,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,821.23 : 649,740.69 = 255,962.12 : x
  2. Step 2: Convert to fraction form
    470,821.23/649,740.69 = 255,962.12/x
  3. Step 3: Cross multiply
    470,821.23x = 649,740.69 × 255,962.12
  4. Step 4: Simplify right side
    470,821.23x = 166,309,001,213.96
  5. Step 5: Solve for x
    x = 166,309,001,213.96/470,821.23
  6. Step 6: Final answer
    x = 353,231.74

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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.