Home / 313,748.55-432,956.42-177,784.12

Finding the Fourth Proportional to 313,748.55, 432,956.42 and 177,784.12

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Solution

The fourth proportional to 313,748.55, 432,956.42 and 177,784.12 is: 245,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,748.55 : 432,956.42 = 177,784.12 : x
  2. Step 2: Convert to fraction form
    313,748.55/432,956.42 = 177,784.12/x
  3. Step 3: Cross multiply
    313,748.55x = 432,956.42 × 177,784.12
  4. Step 4: Simplify right side
    313,748.55x = 76,972,778,664.74
  5. Step 5: Solve for x
    x = 76,972,778,664.74/313,748.55
  6. Step 6: Final answer
    x = 245,332.70

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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.