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Finding the Fourth Proportional to 359,417.44, 495,996.15 and 198,272.89

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Solution

The fourth proportional to 359,417.44, 495,996.15 and 198,272.89 is: 273,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,417.44 : 495,996.15 = 198,272.89 : x
  2. Step 2: Convert to fraction form
    359,417.44/495,996.15 = 198,272.89/x
  3. Step 3: Cross multiply
    359,417.44x = 495,996.15 × 198,272.89
  4. Step 4: Simplify right side
    359,417.44x = 98,342,590,089.37
  5. Step 5: Solve for x
    x = 98,342,590,089.37/359,417.44
  6. Step 6: Final answer
    x = 273,616.63

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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.