Home / 343,929.34-515,718.39-202,051.77

Finding the Fourth Proportional to 343,929.34, 515,718.39 and 202,051.77

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Solution

The fourth proportional to 343,929.34, 515,718.39 and 202,051.77 is: 302,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,929.34 : 515,718.39 = 202,051.77 : x
  2. Step 2: Convert to fraction form
    343,929.34/515,718.39 = 202,051.77/x
  3. Step 3: Cross multiply
    343,929.34x = 515,718.39 × 202,051.77
  4. Step 4: Simplify right side
    343,929.34x = 104,201,812,344.80
  5. Step 5: Solve for x
    x = 104,201,812,344.80/343,929.34
  6. Step 6: Final answer
    x = 302,974.48

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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.