Home / 379,600.72-523,848.96-207,519.40

Finding the Fourth Proportional to 379,600.72, 523,848.96 and 207,519.40

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Solution

The fourth proportional to 379,600.72, 523,848.96 and 207,519.40 is: 286,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,600.72 : 523,848.96 = 207,519.40 : x
  2. Step 2: Convert to fraction form
    379,600.72/523,848.96 = 207,519.40/x
  3. Step 3: Cross multiply
    379,600.72x = 523,848.96 × 207,519.40
  4. Step 4: Simplify right side
    379,600.72x = 108,708,821,869.82
  5. Step 5: Solve for x
    x = 108,708,821,869.82/379,600.72
  6. Step 6: Final answer
    x = 286,376.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.