Home / 328,043.22-452,733.09-200,802.90

Finding the Fourth Proportional to 328,043.22, 452,733.09 and 200,802.90

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Solution

The fourth proportional to 328,043.22, 452,733.09 and 200,802.90 is: 277,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,043.22 : 452,733.09 = 200,802.90 : x
  2. Step 2: Convert to fraction form
    328,043.22/452,733.09 = 200,802.90/x
  3. Step 3: Cross multiply
    328,043.22x = 452,733.09 × 200,802.90
  4. Step 4: Simplify right side
    328,043.22x = 90,910,117,397.96
  5. Step 5: Solve for x
    x = 90,910,117,397.96/328,043.22
  6. Step 6: Final answer
    x = 277,128.48

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1.5x scale

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.