Home / 252,315.47-378,044.78-152,265.43

Finding the Fourth Proportional to 252,315.47, 378,044.78 and 152,265.43

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Solution

The fourth proportional to 252,315.47, 378,044.78 and 152,265.43 is: 228,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,315.47 : 378,044.78 = 152,265.43 : x
  2. Step 2: Convert to fraction form
    252,315.47/378,044.78 = 152,265.43/x
  3. Step 3: Cross multiply
    252,315.47x = 378,044.78 × 152,265.43
  4. Step 4: Simplify right side
    252,315.47x = 57,563,148,334.40
  5. Step 5: Solve for x
    x = 57,563,148,334.40/252,315.47
  6. Step 6: Final answer
    x = 228,139.59

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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.