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Finding the Fourth Proportional to 359,495.64, 496,102.59 and 198,360.72

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Solution

The fourth proportional to 359,495.64, 496,102.59 and 198,360.72 is: 273,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,495.64 : 496,102.59 = 198,360.72 : x
  2. Step 2: Convert to fraction form
    359,495.64/496,102.59 = 198,360.72/x
  3. Step 3: Cross multiply
    359,495.64x = 496,102.59 × 198,360.72
  4. Step 4: Simplify right side
    359,495.64x = 98,407,266,946.26
  5. Step 5: Solve for x
    x = 98,407,266,946.26/359,495.64
  6. Step 6: Final answer
    x = 273,737.02

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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.