Home / 255,026.80-382,561.58-77,535.35

Finding the Fourth Proportional to 255,026.80, 382,561.58 and 77,535.35

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Solution

The fourth proportional to 255,026.80, 382,561.58 and 77,535.35 is: 116,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,026.80 : 382,561.58 = 77,535.35 : x
  2. Step 2: Convert to fraction form
    255,026.80/382,561.58 = 77,535.35/x
  3. Step 3: Cross multiply
    255,026.80x = 382,561.58 × 77,535.35
  4. Step 4: Simplify right side
    255,026.80x = 29,662,046,001.85
  5. Step 5: Solve for x
    x = 29,662,046,001.85/255,026.80
  6. Step 6: Final answer
    x = 116,309.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.