Home / 310,836.96-465,814.08-141,942.24

Finding the Fourth Proportional to 310,836.96, 465,814.08 and 141,942.24

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Solution

The fourth proportional to 310,836.96, 465,814.08 and 141,942.24 is: 212,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,836.96 : 465,814.08 = 141,942.24 : x
  2. Step 2: Convert to fraction form
    310,836.96/465,814.08 = 141,942.24/x
  3. Step 3: Cross multiply
    310,836.96x = 465,814.08 × 141,942.24
  4. Step 4: Simplify right side
    310,836.96x = 66,118,693,938.74
  5. Step 5: Solve for x
    x = 66,118,693,938.74/310,836.96
  6. Step 6: Final answer
    x = 212,711.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.