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Finding the Fourth Proportional to 359,054.76, 495,473.04 and 197,900.94

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Solution

The fourth proportional to 359,054.76, 495,473.04 and 197,900.94 is: 273,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,054.76 : 495,473.04 = 197,900.94 : x
  2. Step 2: Convert to fraction form
    359,054.76/495,473.04 = 197,900.94/x
  3. Step 3: Cross multiply
    359,054.76x = 495,473.04 × 197,900.94
  4. Step 4: Simplify right side
    359,054.76x = 98,054,580,360.66
  5. Step 5: Solve for x
    x = 98,054,580,360.66/359,054.76
  6. Step 6: Final answer
    x = 273,090.88

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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.