Home / 212,461.71-318,744.06-62,698.70

Finding the Fourth Proportional to 212,461.71, 318,744.06 and 62,698.70

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Solution

The fourth proportional to 212,461.71, 318,744.06 and 62,698.70 is: 94,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,461.71 : 318,744.06 = 62,698.70 : x
  2. Step 2: Convert to fraction form
    212,461.71/318,744.06 = 62,698.70/x
  3. Step 3: Cross multiply
    212,461.71x = 318,744.06 × 62,698.70
  4. Step 4: Simplify right side
    212,461.71x = 19,984,836,601.00
  5. Step 5: Solve for x
    x = 19,984,836,601.00/212,461.71
  6. Step 6: Final answer
    x = 94,063.24

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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.