Home / 294,801.59-442,211.02-81,571.23

Finding the Fourth Proportional to 294,801.59, 442,211.02 and 81,571.23

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Solution

The fourth proportional to 294,801.59, 442,211.02 and 81,571.23 is: 122,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,801.59 : 442,211.02 = 81,571.23 : x
  2. Step 2: Convert to fraction form
    294,801.59/442,211.02 = 81,571.23/x
  3. Step 3: Cross multiply
    294,801.59x = 442,211.02 × 81,571.23
  4. Step 4: Simplify right side
    294,801.59x = 36,071,696,617.03
  5. Step 5: Solve for x
    x = 36,071,696,617.03/294,801.59
  6. Step 6: Final answer
    x = 122,359.23

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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.