Home / 448,546.90-672,832.70-144,954.04

Finding the Fourth Proportional to 448,546.90, 672,832.70 and 144,954.04

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Solution

The fourth proportional to 448,546.90, 672,832.70 and 144,954.04 is: 217,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,546.90 : 672,832.70 = 144,954.04 : x
  2. Step 2: Convert to fraction form
    448,546.90/672,832.70 = 144,954.04/x
  3. Step 3: Cross multiply
    448,546.90x = 672,832.70 × 144,954.04
  4. Step 4: Simplify right side
    448,546.90x = 97,529,818,109.11
  5. Step 5: Solve for x
    x = 97,529,818,109.11/448,546.90
  6. Step 6: Final answer
    x = 217,435.05

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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.