Home / 277,220.48-382,569.91-156,338.60

Finding the Fourth Proportional to 277,220.48, 382,569.91 and 156,338.60

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Solution

The fourth proportional to 277,220.48, 382,569.91 and 156,338.60 is: 215,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,220.48 : 382,569.91 = 156,338.60 : x
  2. Step 2: Convert to fraction form
    277,220.48/382,569.91 = 156,338.60/x
  3. Step 3: Cross multiply
    277,220.48x = 382,569.91 × 156,338.60
  4. Step 4: Simplify right side
    277,220.48x = 59,810,441,827.83
  5. Step 5: Solve for x
    x = 59,810,441,827.83/277,220.48
  6. Step 6: Final answer
    x = 215,750.45

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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.