Home / 354,936.80-532,405.20-144,725.60

Finding the Fourth Proportional to 354,936.80, 532,405.20 and 144,725.60

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Solution

The fourth proportional to 354,936.80, 532,405.20 and 144,725.60 is: 217,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,936.80 : 532,405.20 = 144,725.60 : x
  2. Step 2: Convert to fraction form
    354,936.80/532,405.20 = 144,725.60/x
  3. Step 3: Cross multiply
    354,936.80x = 532,405.20 × 144,725.60
  4. Step 4: Simplify right side
    354,936.80x = 77,052,662,013.12
  5. Step 5: Solve for x
    x = 77,052,662,013.12/354,936.80
  6. Step 6: Final answer
    x = 217,088.40

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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.