Home / 305,873.10-458,705.07-116,287.74

Finding the Fourth Proportional to 305,873.10, 458,705.07 and 116,287.74

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Solution

The fourth proportional to 305,873.10, 458,705.07 and 116,287.74 is: 174,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,873.10 : 458,705.07 = 116,287.74 : x
  2. Step 2: Convert to fraction form
    305,873.10/458,705.07 = 116,287.74/x
  3. Step 3: Cross multiply
    305,873.10x = 458,705.07 × 116,287.74
  4. Step 4: Simplify right side
    305,873.10x = 53,341,775,916.84
  5. Step 5: Solve for x
    x = 53,341,775,916.84/305,873.10
  6. Step 6: Final answer
    x = 174,391.85

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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.