Home / 212,369.46-318,701.73-137,303.41

Finding the Fourth Proportional to 212,369.46, 318,701.73 and 137,303.41

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Solution

The fourth proportional to 212,369.46, 318,701.73 and 137,303.41 is: 206,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,369.46 : 318,701.73 = 137,303.41 : x
  2. Step 2: Convert to fraction form
    212,369.46/318,701.73 = 137,303.41/x
  3. Step 3: Cross multiply
    212,369.46x = 318,701.73 × 137,303.41
  4. Step 4: Simplify right side
    212,369.46x = 43,758,834,301.90
  5. Step 5: Solve for x
    x = 43,758,834,301.90/212,369.46
  6. Step 6: Final answer
    x = 206,050.50

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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.