Home / 342,015.29-471,962.66-189,044.36

Finding the Fourth Proportional to 342,015.29, 471,962.66 and 189,044.36

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Solution

The fourth proportional to 342,015.29, 471,962.66 and 189,044.36 is: 260,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,015.29 : 471,962.66 = 189,044.36 : x
  2. Step 2: Convert to fraction form
    342,015.29/471,962.66 = 189,044.36/x
  3. Step 3: Cross multiply
    342,015.29x = 471,962.66 × 189,044.36
  4. Step 4: Simplify right side
    342,015.29x = 89,221,875,698.56
  5. Step 5: Solve for x
    x = 89,221,875,698.56/342,015.29
  6. Step 6: Final answer
    x = 260,871.02

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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.