Home / 277,739.12-382,909.52-208,535.69

Finding the Fourth Proportional to 277,739.12, 382,909.52 and 208,535.69

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Solution

The fourth proportional to 277,739.12, 382,909.52 and 208,535.69 is: 287,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,739.12 : 382,909.52 = 208,535.69 : x
  2. Step 2: Convert to fraction form
    277,739.12/382,909.52 = 208,535.69/x
  3. Step 3: Cross multiply
    277,739.12x = 382,909.52 × 208,535.69
  4. Step 4: Simplify right side
    277,739.12x = 79,850,299,567.56
  5. Step 5: Solve for x
    x = 79,850,299,567.56/277,739.12
  6. Step 6: Final answer
    x = 287,501.09

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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.