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Finding the Fourth Proportional to 359,026.62, 495,454.28 and 197,881.77

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Solution

The fourth proportional to 359,026.62, 495,454.28 and 197,881.77 is: 273,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,026.62 : 495,454.28 = 197,881.77 : x
  2. Step 2: Convert to fraction form
    359,026.62/495,454.28 = 197,881.77/x
  3. Step 3: Cross multiply
    359,026.62x = 495,454.28 × 197,881.77
  4. Step 4: Simplify right side
    359,026.62x = 98,041,368,891.07
  5. Step 5: Solve for x
    x = 98,041,368,891.07/359,026.62
  6. Step 6: Final answer
    x = 273,075.49

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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.