Home / 255,724.40-383,586.60-89,529.20

Finding the Fourth Proportional to 255,724.40, 383,586.60 and 89,529.20

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Solution

The fourth proportional to 255,724.40, 383,586.60 and 89,529.20 is: 134,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,724.40 : 383,586.60 = 89,529.20 : x
  2. Step 2: Convert to fraction form
    255,724.40/383,586.60 = 89,529.20/x
  3. Step 3: Cross multiply
    255,724.40x = 383,586.60 × 89,529.20
  4. Step 4: Simplify right side
    255,724.40x = 34,342,201,428.72
  5. Step 5: Solve for x
    x = 34,342,201,428.72/255,724.40
  6. Step 6: Final answer
    x = 134,293.80

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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.