Home / 277,117.21-382,389.26-156,251.30

Finding the Fourth Proportional to 277,117.21, 382,389.26 and 156,251.30

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Solution

The fourth proportional to 277,117.21, 382,389.26 and 156,251.30 is: 215,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,117.21 : 382,389.26 = 156,251.30 : x
  2. Step 2: Convert to fraction form
    277,117.21/382,389.26 = 156,251.30/x
  3. Step 3: Cross multiply
    277,117.21x = 382,389.26 × 156,251.30
  4. Step 4: Simplify right side
    277,117.21x = 59,748,816,287.84
  5. Step 5: Solve for x
    x = 59,748,816,287.84/277,117.21
  6. Step 6: Final answer
    x = 215,608.46

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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.