Home / 209,044.73-288,322.77-144,621.18

Finding the Fourth Proportional to 209,044.73, 288,322.77 and 144,621.18

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Solution

The fourth proportional to 209,044.73, 288,322.77 and 144,621.18 is: 199,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,044.73 : 288,322.77 = 144,621.18 : x
  2. Step 2: Convert to fraction form
    209,044.73/288,322.77 = 144,621.18/x
  3. Step 3: Cross multiply
    209,044.73x = 288,322.77 × 144,621.18
  4. Step 4: Simplify right side
    209,044.73x = 41,697,579,760.60
  5. Step 5: Solve for x
    x = 41,697,579,760.60/209,044.73
  6. Step 6: Final answer
    x = 199,467.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.