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Finding the Fourth Proportional to 359,732.60, 496,460.94 and 198,602.36

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Solution

The fourth proportional to 359,732.60, 496,460.94 and 198,602.36 is: 274,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,732.60 : 496,460.94 = 198,602.36 : x
  2. Step 2: Convert to fraction form
    359,732.60/496,460.94 = 198,602.36/x
  3. Step 3: Cross multiply
    359,732.60x = 496,460.94 × 198,602.36
  4. Step 4: Simplify right side
    359,732.60x = 98,598,314,331.82
  5. Step 5: Solve for x
    x = 98,598,314,331.82/359,732.60
  6. Step 6: Final answer
    x = 274,087.79

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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.