Home / 313,968.68-433,263.60-178,011.78

Finding the Fourth Proportional to 313,968.68, 433,263.60 and 178,011.78

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Solution

The fourth proportional to 313,968.68, 433,263.60 and 178,011.78 is: 245,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,968.68 : 433,263.60 = 178,011.78 : x
  2. Step 2: Convert to fraction form
    313,968.68/433,263.60 = 178,011.78/x
  3. Step 3: Cross multiply
    313,968.68x = 433,263.60 × 178,011.78
  4. Step 4: Simplify right side
    313,968.68x = 77,126,021,588.83
  5. Step 5: Solve for x
    x = 77,126,021,588.83/313,968.68
  6. Step 6: Final answer
    x = 245,648.77

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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.