Home / 298,740.05-412,256.03-162,775.13

Finding the Fourth Proportional to 298,740.05, 412,256.03 and 162,775.13

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Solution

The fourth proportional to 298,740.05, 412,256.03 and 162,775.13 is: 224,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,740.05 : 412,256.03 = 162,775.13 : x
  2. Step 2: Convert to fraction form
    298,740.05/412,256.03 = 162,775.13/x
  3. Step 3: Cross multiply
    298,740.05x = 412,256.03 × 162,775.13
  4. Step 4: Simplify right side
    298,740.05x = 67,105,026,001.38
  5. Step 5: Solve for x
    x = 67,105,026,001.38/298,740.05
  6. Step 6: Final answer
    x = 224,626.82

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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.