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Finding the Fourth Proportional to 299,159.60, 448,641.81 and 99,426.35

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Solution

The fourth proportional to 299,159.60, 448,641.81 and 99,426.35 is: 149,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,159.60 : 448,641.81 = 99,426.35 : x
  2. Step 2: Convert to fraction form
    299,159.60/448,641.81 = 99,426.35/x
  3. Step 3: Cross multiply
    299,159.60x = 448,641.81 × 99,426.35
  4. Step 4: Simplify right side
    299,159.60x = 44,606,815,382.48
  5. Step 5: Solve for x
    x = 44,606,815,382.48/299,159.60
  6. Step 6: Final answer
    x = 149,107.09

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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.