Home / 448,212.65-672,385.19-144,505.28

Finding the Fourth Proportional to 448,212.65, 672,385.19 and 144,505.28

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Solution

The fourth proportional to 448,212.65, 672,385.19 and 144,505.28 is: 216,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,212.65 : 672,385.19 = 144,505.28 : x
  2. Step 2: Convert to fraction form
    448,212.65/672,385.19 = 144,505.28/x
  3. Step 3: Cross multiply
    448,212.65x = 672,385.19 × 144,505.28
  4. Step 4: Simplify right side
    448,212.65x = 97,163,206,064.35
  5. Step 5: Solve for x
    x = 97,163,206,064.35/448,212.65
  6. Step 6: Final answer
    x = 216,779.26

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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.