Home / 252,320.72-378,052.64-152,270.70

Finding the Fourth Proportional to 252,320.72, 378,052.64 and 152,270.70

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Solution

The fourth proportional to 252,320.72, 378,052.64 and 152,270.70 is: 228,147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,320.72 : 378,052.64 = 152,270.70 : x
  2. Step 2: Convert to fraction form
    252,320.72/378,052.64 = 152,270.70/x
  3. Step 3: Cross multiply
    252,320.72x = 378,052.64 × 152,270.70
  4. Step 4: Simplify right side
    252,320.72x = 57,566,340,129.65
  5. Step 5: Solve for x
    x = 57,566,340,129.65/252,320.72
  6. Step 6: Final answer
    x = 228,147.49

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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.