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Finding the Fourth Proportional to 364,166.45, 546,315.28 and 111,442.40

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Solution

The fourth proportional to 364,166.45, 546,315.28 and 111,442.40 is: 167,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,166.45 : 546,315.28 = 111,442.40 : x
  2. Step 2: Convert to fraction form
    364,166.45/546,315.28 = 111,442.40/x
  3. Step 3: Cross multiply
    364,166.45x = 546,315.28 × 111,442.40
  4. Step 4: Simplify right side
    364,166.45x = 60,882,685,625.24
  5. Step 5: Solve for x
    x = 60,882,685,625.24/364,166.45
  6. Step 6: Final answer
    x = 167,183.68

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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.