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Finding the Fourth Proportional to 298,496.30, 411,921.03 and 162,528.69

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Solution

The fourth proportional to 298,496.30, 411,921.03 and 162,528.69 is: 224,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,496.30 : 411,921.03 = 162,528.69 : x
  2. Step 2: Convert to fraction form
    298,496.30/411,921.03 = 162,528.69/x
  3. Step 3: Cross multiply
    298,496.30x = 411,921.03 × 162,528.69
  4. Step 4: Simplify right side
    298,496.30x = 66,948,985,389.35
  5. Step 5: Solve for x
    x = 66,948,985,389.35/298,496.30
  6. Step 6: Final answer
    x = 224,287.49

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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.