Home / 345,723.50-477,098.43-186,747.50

Finding the Fourth Proportional to 345,723.50, 477,098.43 and 186,747.50

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Solution

The fourth proportional to 345,723.50, 477,098.43 and 186,747.50 is: 257,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,723.50 : 477,098.43 = 186,747.50 : x
  2. Step 2: Convert to fraction form
    345,723.50/477,098.43 = 186,747.50/x
  3. Step 3: Cross multiply
    345,723.50x = 477,098.43 × 186,747.50
  4. Step 4: Simplify right side
    345,723.50x = 89,096,939,056.43
  5. Step 5: Solve for x
    x = 89,096,939,056.43/345,723.50
  6. Step 6: Final answer
    x = 257,711.55

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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.