Home / 298,783.08-412,315.38-162,818.10

Finding the Fourth Proportional to 298,783.08, 412,315.38 and 162,818.10

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Solution

The fourth proportional to 298,783.08, 412,315.38 and 162,818.10 is: 224,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,783.08 : 412,315.38 = 162,818.10 : x
  2. Step 2: Convert to fraction form
    298,783.08/412,315.38 = 162,818.10/x
  3. Step 3: Cross multiply
    298,783.08x = 412,315.38 × 162,818.10
  4. Step 4: Simplify right side
    298,783.08x = 67,132,406,772.38
  5. Step 5: Solve for x
    x = 67,132,406,772.38/298,783.08
  6. Step 6: Final answer
    x = 224,686.11

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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.