Home / 269,075.28-371,323.86-155,963.64

Finding the Fourth Proportional to 269,075.28, 371,323.86 and 155,963.64

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Solution

The fourth proportional to 269,075.28, 371,323.86 and 155,963.64 is: 215,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,075.28 : 371,323.86 = 155,963.64 : x
  2. Step 2: Convert to fraction form
    269,075.28/371,323.86 = 155,963.64/x
  3. Step 3: Cross multiply
    269,075.28x = 371,323.86 × 155,963.64
  4. Step 4: Simplify right side
    269,075.28x = 57,913,020,824.45
  5. Step 5: Solve for x
    x = 57,913,020,824.45/269,075.28
  6. Step 6: Final answer
    x = 215,229.81

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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.