Home / 305,556.04-458,424.78-165,277

Finding the Fourth Proportional to 305,556.04, 458,424.78 and 165,277

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Solution

The fourth proportional to 305,556.04, 458,424.78 and 165,277 is: 247,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,556.04 : 458,424.78 = 165,277 : x
  2. Step 2: Convert to fraction form
    305,556.04/458,424.78 = 165,277/x
  3. Step 3: Cross multiply
    305,556.04x = 458,424.78 × 165,277
  4. Step 4: Simplify right side
    305,556.04x = 75,767,072,364.06
  5. Step 5: Solve for x
    x = 75,767,072,364.06/305,556.04
  6. Step 6: Final answer
    x = 247,964.57

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1.5x scale

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.