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Finding the Fourth Proportional to 359,477.34, 498,175.80 and 354,403.50

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Solution

The fourth proportional to 359,477.34, 498,175.80 and 354,403.50 is: 491,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,477.34 : 498,175.80 = 354,403.50 : x
  2. Step 2: Convert to fraction form
    359,477.34/498,175.80 = 354,403.50/x
  3. Step 3: Cross multiply
    359,477.34x = 498,175.80 × 354,403.50
  4. Step 4: Simplify right side
    359,477.34x = 176,555,247,135.30
  5. Step 5: Solve for x
    x = 176,555,247,135.30/359,477.34
  6. Step 6: Final answer
    x = 491,144.30

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.