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Finding the Fourth Proportional to 356,098.80, 534,450.60 and 145,887.60

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Solution

The fourth proportional to 356,098.80, 534,450.60 and 145,887.60 is: 218,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,098.80 : 534,450.60 = 145,887.60 : x
  2. Step 2: Convert to fraction form
    356,098.80/534,450.60 = 145,887.60/x
  3. Step 3: Cross multiply
    356,098.80x = 534,450.60 × 145,887.60
  4. Step 4: Simplify right side
    356,098.80x = 77,969,715,352.56
  5. Step 5: Solve for x
    x = 77,969,715,352.56/356,098.80
  6. Step 6: Final answer
    x = 218,955.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.