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Finding the Fourth Proportional to 299,000.38, 448,500.58 and 121,521.24

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Solution

The fourth proportional to 299,000.38, 448,500.58 and 121,521.24 is: 182,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,000.38 : 448,500.58 = 121,521.24 : x
  2. Step 2: Convert to fraction form
    299,000.38/448,500.58 = 121,521.24/x
  3. Step 3: Cross multiply
    299,000.38x = 448,500.58 × 121,521.24
  4. Step 4: Simplify right side
    299,000.38x = 54,502,346,622.32
  5. Step 5: Solve for x
    x = 54,502,346,622.32/299,000.38
  6. Step 6: Final answer
    x = 182,281.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.