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Finding the Fourth Proportional to 540,162.14, 745,431.58 and 298,450.28

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Solution

The fourth proportional to 540,162.14, 745,431.58 and 298,450.28 is: 411,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,162.14 : 745,431.58 = 298,450.28 : x
  2. Step 2: Convert to fraction form
    540,162.14/745,431.58 = 298,450.28/x
  3. Step 3: Cross multiply
    540,162.14x = 745,431.58 × 298,450.28
  4. Step 4: Simplify right side
    540,162.14x = 222,474,263,771.84
  5. Step 5: Solve for x
    x = 222,474,263,771.84/540,162.14
  6. Step 6: Final answer
    x = 411,865.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.