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Finding the Fourth Proportional to 298,950.59, 448,349.23 and 88,539.32

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Solution

The fourth proportional to 298,950.59, 448,349.23 and 88,539.32 is: 132,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,950.59 : 448,349.23 = 88,539.32 : x
  2. Step 2: Convert to fraction form
    298,950.59/448,349.23 = 88,539.32/x
  3. Step 3: Cross multiply
    298,950.59x = 448,349.23 × 88,539.32
  4. Step 4: Simplify right side
    298,950.59x = 39,696,533,262.28
  5. Step 5: Solve for x
    x = 39,696,533,262.28/298,950.59
  6. Step 6: Final answer
    x = 132,786.27

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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.