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Finding the Fourth Proportional to 346,674.52, 520,034.46 and 106,759

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Solution

The fourth proportional to 346,674.52, 520,034.46 and 106,759 is: 160,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,674.52 : 520,034.46 = 106,759 : x
  2. Step 2: Convert to fraction form
    346,674.52/520,034.46 = 106,759/x
  3. Step 3: Cross multiply
    346,674.52x = 520,034.46 × 106,759
  4. Step 4: Simplify right side
    346,674.52x = 55,518,358,915.14
  5. Step 5: Solve for x
    x = 55,518,358,915.14/346,674.52
  6. Step 6: Final answer
    x = 160,145.48

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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.