Home / 253,711.17-380,602.26-103,972.73

Finding the Fourth Proportional to 253,711.17, 380,602.26 and 103,972.73

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Solution

The fourth proportional to 253,711.17, 380,602.26 and 103,972.73 is: 155,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,711.17 : 380,602.26 = 103,972.73 : x
  2. Step 2: Convert to fraction form
    253,711.17/380,602.26 = 103,972.73/x
  3. Step 3: Cross multiply
    253,711.17x = 380,602.26 × 103,972.73
  4. Step 4: Simplify right side
    253,711.17x = 39,572,254,113.36
  5. Step 5: Solve for x
    x = 39,572,254,113.36/253,711.17
  6. Step 6: Final answer
    x = 155,973.64

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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.