Home / 305,836.59-458,905.23-137,475.86

Finding the Fourth Proportional to 305,836.59, 458,905.23 and 137,475.86

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Solution

The fourth proportional to 305,836.59, 458,905.23 and 137,475.86 is: 206,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,836.59 : 458,905.23 = 137,475.86 : x
  2. Step 2: Convert to fraction form
    305,836.59/458,905.23 = 137,475.86/x
  3. Step 3: Cross multiply
    305,836.59x = 458,905.23 × 137,475.86
  4. Step 4: Simplify right side
    305,836.59x = 63,088,388,858.22
  5. Step 5: Solve for x
    x = 63,088,388,858.22/305,836.59
  6. Step 6: Final answer
    x = 206,281.36

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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.