Home / 305,801.27-458,666.23-81,179.16

Finding the Fourth Proportional to 305,801.27, 458,666.23 and 81,179.16

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Solution

The fourth proportional to 305,801.27, 458,666.23 and 81,179.16 is: 121,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,801.27 : 458,666.23 = 81,179.16 : x
  2. Step 2: Convert to fraction form
    305,801.27/458,666.23 = 81,179.16/x
  3. Step 3: Cross multiply
    305,801.27x = 458,666.23 × 81,179.16
  4. Step 4: Simplify right side
    305,801.27x = 37,234,139,271.77
  5. Step 5: Solve for x
    x = 37,234,139,271.77/305,801.27
  6. Step 6: Final answer
    x = 121,759.27

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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.