Home / 313,345.50-432,417.33-179,209.50

Finding the Fourth Proportional to 313,345.50, 432,417.33 and 179,209.50

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Solution

The fourth proportional to 313,345.50, 432,417.33 and 179,209.50 is: 247,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,345.50 : 432,417.33 = 179,209.50 : x
  2. Step 2: Convert to fraction form
    313,345.50/432,417.33 = 179,209.50/x
  3. Step 3: Cross multiply
    313,345.50x = 432,417.33 × 179,209.50
  4. Step 4: Simplify right side
    313,345.50x = 77,493,293,500.64
  5. Step 5: Solve for x
    x = 77,493,293,500.64/313,345.50
  6. Step 6: Final answer
    x = 247,309.42

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1.5x scale

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.