Home / 255,719.40-383,579.10-97,866.60

Finding the Fourth Proportional to 255,719.40, 383,579.10 and 97,866.60

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Solution

The fourth proportional to 255,719.40, 383,579.10 and 97,866.60 is: 146,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,719.40 : 383,579.10 = 97,866.60 : x
  2. Step 2: Convert to fraction form
    255,719.40/383,579.10 = 97,866.60/x
  3. Step 3: Cross multiply
    255,719.40x = 383,579.10 × 97,866.60
  4. Step 4: Simplify right side
    255,719.40x = 37,539,582,348.06
  5. Step 5: Solve for x
    x = 37,539,582,348.06/255,719.40
  6. Step 6: Final answer
    x = 146,799.90

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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.