Home / 255,626.28-383,488.02-115,384.50

Finding the Fourth Proportional to 255,626.28, 383,488.02 and 115,384.50

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Solution

The fourth proportional to 255,626.28, 383,488.02 and 115,384.50 is: 173,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,626.28 : 383,488.02 = 115,384.50 : x
  2. Step 2: Convert to fraction form
    255,626.28/383,488.02 = 115,384.50/x
  3. Step 3: Cross multiply
    255,626.28x = 383,488.02 × 115,384.50
  4. Step 4: Simplify right side
    255,626.28x = 44,248,573,443.69
  5. Step 5: Solve for x
    x = 44,248,573,443.69/255,626.28
  6. Step 6: Final answer
    x = 173,098.69

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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.