Home / 339,953.15-469,146.87-187,002.72

Finding the Fourth Proportional to 339,953.15, 469,146.87 and 187,002.72

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Solution

The fourth proportional to 339,953.15, 469,146.87 and 187,002.72 is: 258,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,953.15 : 469,146.87 = 187,002.72 : x
  2. Step 2: Convert to fraction form
    339,953.15/469,146.87 = 187,002.72/x
  3. Step 3: Cross multiply
    339,953.15x = 469,146.87 × 187,002.72
  4. Step 4: Simplify right side
    339,953.15x = 87,731,740,769.49
  5. Step 5: Solve for x
    x = 87,731,740,769.49/339,953.15
  6. Step 6: Final answer
    x = 258,070.09

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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.