Home / 305,853.10-458,779.65-211,374.70

Finding the Fourth Proportional to 305,853.10, 458,779.65 and 211,374.70

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Solution

The fourth proportional to 305,853.10, 458,779.65 and 211,374.70 is: 317,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,853.10 : 458,779.65 = 211,374.70 : x
  2. Step 2: Convert to fraction form
    305,853.10/458,779.65 = 211,374.70/x
  3. Step 3: Cross multiply
    305,853.10x = 458,779.65 × 211,374.70
  4. Step 4: Simplify right side
    305,853.10x = 96,974,410,884.86
  5. Step 5: Solve for x
    x = 96,974,410,884.86/305,853.10
  6. Step 6: Final answer
    x = 317,062.05

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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.