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Finding the Fourth Proportional to 297,008.40, 445,148.10 and 202,238.40

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Solution

The fourth proportional to 297,008.40, 445,148.10 and 202,238.40 is: 303,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,008.40 : 445,148.10 = 202,238.40 : x
  2. Step 2: Convert to fraction form
    297,008.40/445,148.10 = 202,238.40/x
  3. Step 3: Cross multiply
    297,008.40x = 445,148.10 × 202,238.40
  4. Step 4: Simplify right side
    297,008.40x = 90,026,039,507.04
  5. Step 5: Solve for x
    x = 90,026,039,507.04/297,008.40
  6. Step 6: Final answer
    x = 303,109.41

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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.