Home / 200,768.48-277,056.36-124,267.28

Finding the Fourth Proportional to 200,768.48, 277,056.36 and 124,267.28

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Solution

The fourth proportional to 200,768.48, 277,056.36 and 124,267.28 is: 171,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,768.48 : 277,056.36 = 124,267.28 : x
  2. Step 2: Convert to fraction form
    200,768.48/277,056.36 = 124,267.28/x
  3. Step 3: Cross multiply
    200,768.48x = 277,056.36 × 124,267.28
  4. Step 4: Simplify right side
    200,768.48x = 34,429,040,263.90
  5. Step 5: Solve for x
    x = 34,429,040,263.90/200,768.48
  6. Step 6: Final answer
    x = 171,486.28

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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.