Home / 317,707.13-438,065.44-236,994.55

Finding the Fourth Proportional to 317,707.13, 438,065.44 and 236,994.55

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Solution

The fourth proportional to 317,707.13, 438,065.44 and 236,994.55 is: 326,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,707.13 : 438,065.44 = 236,994.55 : x
  2. Step 2: Convert to fraction form
    317,707.13/438,065.44 = 236,994.55/x
  3. Step 3: Cross multiply
    317,707.13x = 438,065.44 × 236,994.55
  4. Step 4: Simplify right side
    317,707.13x = 103,819,120,135.70
  5. Step 5: Solve for x
    x = 103,819,120,135.70/317,707.13
  6. Step 6: Final answer
    x = 326,776.17

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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.