Home / 296,814.78-445,215.93-72,176.37

Finding the Fourth Proportional to 296,814.78, 445,215.93 and 72,176.37

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Solution

The fourth proportional to 296,814.78, 445,215.93 and 72,176.37 is: 108,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,814.78 : 445,215.93 = 72,176.37 : x
  2. Step 2: Convert to fraction form
    296,814.78/445,215.93 = 72,176.37/x
  3. Step 3: Cross multiply
    296,814.78x = 445,215.93 × 72,176.37
  4. Step 4: Simplify right side
    296,814.78x = 32,134,069,693.57
  5. Step 5: Solve for x
    x = 32,134,069,693.57/296,814.78
  6. Step 6: Final answer
    x = 108,263.04

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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.