Home / 296,914.31-445,367.67-72,274.93

Finding the Fourth Proportional to 296,914.31, 445,367.67 and 72,274.93

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Solution

The fourth proportional to 296,914.31, 445,367.67 and 72,274.93 is: 108,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,914.31 : 445,367.67 = 72,274.93 : x
  2. Step 2: Convert to fraction form
    296,914.31/445,367.67 = 72,274.93/x
  3. Step 3: Cross multiply
    296,914.31x = 445,367.67 × 72,274.93
  4. Step 4: Simplify right side
    296,914.31x = 32,188,918,294.26
  5. Step 5: Solve for x
    x = 32,188,918,294.26/296,914.31
  6. Step 6: Final answer
    x = 108,411.48

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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.