Home / 255,870.09-383,061.76-148,927.61

Finding the Fourth Proportional to 255,870.09, 383,061.76 and 148,927.61

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Solution

The fourth proportional to 255,870.09, 383,061.76 and 148,927.61 is: 222,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,870.09 : 383,061.76 = 148,927.61 : x
  2. Step 2: Convert to fraction form
    255,870.09/383,061.76 = 148,927.61/x
  3. Step 3: Cross multiply
    255,870.09x = 383,061.76 × 148,927.61
  4. Step 4: Simplify right side
    255,870.09x = 57,048,472,984.53
  5. Step 5: Solve for x
    x = 57,048,472,984.53/255,870.09
  6. Step 6: Final answer
    x = 222,958.74

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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.