Home / 336,947.31-505,386.27-112,283.46

Finding the Fourth Proportional to 336,947.31, 505,386.27 and 112,283.46

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Solution

The fourth proportional to 336,947.31, 505,386.27 and 112,283.46 is: 168,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,947.31 : 505,386.27 = 112,283.46 : x
  2. Step 2: Convert to fraction form
    336,947.31/505,386.27 = 112,283.46/x
  3. Step 3: Cross multiply
    336,947.31x = 505,386.27 × 112,283.46
  4. Step 4: Simplify right side
    336,947.31x = 56,746,519,032.09
  5. Step 5: Solve for x
    x = 56,746,519,032.09/336,947.31
  6. Step 6: Final answer
    x = 168,413.63

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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.