Home / 298,909.02-448,317.30-109,325.04

Finding the Fourth Proportional to 298,909.02, 448,317.30 and 109,325.04

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Solution

The fourth proportional to 298,909.02, 448,317.30 and 109,325.04 is: 163,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,909.02 : 448,317.30 = 109,325.04 : x
  2. Step 2: Convert to fraction form
    298,909.02/448,317.30 = 109,325.04/x
  3. Step 3: Cross multiply
    298,909.02x = 448,317.30 × 109,325.04
  4. Step 4: Simplify right side
    298,909.02x = 49,012,306,755.19
  5. Step 5: Solve for x
    x = 49,012,306,755.19/298,909.02
  6. Step 6: Final answer
    x = 163,970.65

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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.