Home / 255,040.03-382,581.47-77,548.58

Finding the Fourth Proportional to 255,040.03, 382,581.47 and 77,548.58

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Solution

The fourth proportional to 255,040.03, 382,581.47 and 77,548.58 is: 116,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,040.03 : 382,581.47 = 77,548.58 : x
  2. Step 2: Convert to fraction form
    255,040.03/382,581.47 = 77,548.58/x
  3. Step 3: Cross multiply
    255,040.03x = 382,581.47 × 77,548.58
  4. Step 4: Simplify right side
    255,040.03x = 29,668,649,732.81
  5. Step 5: Solve for x
    x = 29,668,649,732.81/255,040.03
  6. Step 6: Final answer
    x = 116,329.38

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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.