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Finding the Fourth Proportional to 297,019.80, 409,849.56 and 169,703.64

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Solution

The fourth proportional to 297,019.80, 409,849.56 and 169,703.64 is: 234,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,019.80 : 409,849.56 = 169,703.64 : x
  2. Step 2: Convert to fraction form
    297,019.80/409,849.56 = 169,703.64/x
  3. Step 3: Cross multiply
    297,019.80x = 409,849.56 × 169,703.64
  4. Step 4: Simplify right side
    297,019.80x = 69,552,962,184.40
  5. Step 5: Solve for x
    x = 69,552,962,184.40/297,019.80
  6. Step 6: Final answer
    x = 234,169.45

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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.