Home / 277,739.04-383,252.48-155,208.80

Finding the Fourth Proportional to 277,739.04, 383,252.48 and 155,208.80

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Solution

The fourth proportional to 277,739.04, 383,252.48 and 155,208.80 is: 214,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,739.04 : 383,252.48 = 155,208.80 : x
  2. Step 2: Convert to fraction form
    277,739.04/383,252.48 = 155,208.80/x
  3. Step 3: Cross multiply
    277,739.04x = 383,252.48 × 155,208.80
  4. Step 4: Simplify right side
    277,739.04x = 59,484,157,517.82
  5. Step 5: Solve for x
    x = 59,484,157,517.82/277,739.04
  6. Step 6: Final answer
    x = 214,172.83

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1.5x scale

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.