Home / 277,121.61-382,420.23-156,261.93

Finding the Fourth Proportional to 277,121.61, 382,420.23 and 156,261.93

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Solution

The fourth proportional to 277,121.61, 382,420.23 and 156,261.93 is: 215,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,121.61 : 382,420.23 = 156,261.93 : x
  2. Step 2: Convert to fraction form
    277,121.61/382,420.23 = 156,261.93/x
  3. Step 3: Cross multiply
    277,121.61x = 382,420.23 × 156,261.93
  4. Step 4: Simplify right side
    277,121.61x = 59,757,723,210.84
  5. Step 5: Solve for x
    x = 59,757,723,210.84/277,121.61
  6. Step 6: Final answer
    x = 215,637.18

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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.