Home / 208,285.56-287,434.31-112,792.37

Finding the Fourth Proportional to 208,285.56, 287,434.31 and 112,792.37

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Solution

The fourth proportional to 208,285.56, 287,434.31 and 112,792.37 is: 155,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,285.56 : 287,434.31 = 112,792.37 : x
  2. Step 2: Convert to fraction form
    208,285.56/287,434.31 = 112,792.37/x
  3. Step 3: Cross multiply
    208,285.56x = 287,434.31 × 112,792.37
  4. Step 4: Simplify right side
    208,285.56x = 32,420,395,043.08
  5. Step 5: Solve for x
    x = 32,420,395,043.08/208,285.56
  6. Step 6: Final answer
    x = 155,653.59

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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.