Home / 269,056-371,297.28-155,944.36

Finding the Fourth Proportional to 269,056, 371,297.28 and 155,944.36

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Solution

The fourth proportional to 269,056, 371,297.28 and 155,944.36 is: 215,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,056 : 371,297.28 = 155,944.36 : x
  2. Step 2: Convert to fraction form
    269,056/371,297.28 = 155,944.36/x
  3. Step 3: Cross multiply
    269,056x = 371,297.28 × 155,944.36
  4. Step 4: Simplify right side
    269,056x = 57,901,716,699.34
  5. Step 5: Solve for x
    x = 57,901,716,699.34/269,056
  6. Step 6: Final answer
    x = 215,203.22

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1.5x scale

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.