Home / 277,865.13-383,476.40-157,031.49

Finding the Fourth Proportional to 277,865.13, 383,476.40 and 157,031.49

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Solution

The fourth proportional to 277,865.13, 383,476.40 and 157,031.49 is: 216,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,865.13 : 383,476.40 = 157,031.49 : x
  2. Step 2: Convert to fraction form
    277,865.13/383,476.40 = 157,031.49/x
  3. Step 3: Cross multiply
    277,865.13x = 383,476.40 × 157,031.49
  4. Step 4: Simplify right side
    277,865.13x = 60,217,868,919.65
  5. Step 5: Solve for x
    x = 60,217,868,919.65/277,865.13
  6. Step 6: Final answer
    x = 216,716.17

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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.