Home / 313,706.07-432,879.23-177,710.90

Finding the Fourth Proportional to 313,706.07, 432,879.23 and 177,710.90

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Solution

The fourth proportional to 313,706.07, 432,879.23 and 177,710.90 is: 245,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,706.07 : 432,879.23 = 177,710.90 : x
  2. Step 2: Convert to fraction form
    313,706.07/432,879.23 = 177,710.90/x
  3. Step 3: Cross multiply
    313,706.07x = 432,879.23 × 177,710.90
  4. Step 4: Simplify right side
    313,706.07x = 76,927,354,501.66
  5. Step 5: Solve for x
    x = 76,927,354,501.66/313,706.07
  6. Step 6: Final answer
    x = 245,221.12

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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.