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Finding the Fourth Proportional to 253,791.02, 380,710.04 and 83,013.71

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Solution

The fourth proportional to 253,791.02, 380,710.04 and 83,013.71 is: 124,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,791.02 : 380,710.04 = 83,013.71 : x
  2. Step 2: Convert to fraction form
    253,791.02/380,710.04 = 83,013.71/x
  3. Step 3: Cross multiply
    253,791.02x = 380,710.04 × 83,013.71
  4. Step 4: Simplify right side
    253,791.02x = 31,604,150,536.03
  5. Step 5: Solve for x
    x = 31,604,150,536.03/253,791.02
  6. Step 6: Final answer
    x = 124,528.24

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1.5x scale

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.