Home / 252,836.80-348,913.92-145,401.76

Finding the Fourth Proportional to 252,836.80, 348,913.92 and 145,401.76

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Solution

The fourth proportional to 252,836.80, 348,913.92 and 145,401.76 is: 200,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,836.80 : 348,913.92 = 145,401.76 : x
  2. Step 2: Convert to fraction form
    252,836.80/348,913.92 = 145,401.76/x
  3. Step 3: Cross multiply
    252,836.80x = 348,913.92 × 145,401.76
  4. Step 4: Simplify right side
    252,836.80x = 50,732,698,056.50
  5. Step 5: Solve for x
    x = 50,732,698,056.50/252,836.80
  6. Step 6: Final answer
    x = 200,653.93

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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.