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Finding the Fourth Proportional to 298,479.62, 411,888.11 and 162,513.16

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Solution

The fourth proportional to 298,479.62, 411,888.11 and 162,513.16 is: 224,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,479.62 : 411,888.11 = 162,513.16 : x
  2. Step 2: Convert to fraction form
    298,479.62/411,888.11 = 162,513.16/x
  3. Step 3: Cross multiply
    298,479.62x = 411,888.11 × 162,513.16
  4. Step 4: Simplify right side
    298,479.62x = 66,937,236,480.24
  5. Step 5: Solve for x
    x = 66,937,236,480.24/298,479.62
  6. Step 6: Final answer
    x = 224,260.66

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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.