Home / 305,401.08-458,130.78-94,982.52

Finding the Fourth Proportional to 305,401.08, 458,130.78 and 94,982.52

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Solution

The fourth proportional to 305,401.08, 458,130.78 and 94,982.52 is: 142,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,401.08 : 458,130.78 = 94,982.52 : x
  2. Step 2: Convert to fraction form
    305,401.08/458,130.78 = 94,982.52/x
  3. Step 3: Cross multiply
    305,401.08x = 458,130.78 × 94,982.52
  4. Step 4: Simplify right side
    305,401.08x = 43,514,415,973.97
  5. Step 5: Solve for x
    x = 43,514,415,973.97/305,401.08
  6. Step 6: Final answer
    x = 142,482.85

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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.