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Finding the Fourth Proportional to 346,488.56, 519,751.32 and 109,849.76

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Solution

The fourth proportional to 346,488.56, 519,751.32 and 109,849.76 is: 164,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,488.56 : 519,751.32 = 109,849.76 : x
  2. Step 2: Convert to fraction form
    346,488.56/519,751.32 = 109,849.76/x
  3. Step 3: Cross multiply
    346,488.56x = 519,751.32 × 109,849.76
  4. Step 4: Simplify right side
    346,488.56x = 57,094,557,761.68
  5. Step 5: Solve for x
    x = 57,094,557,761.68/346,488.56
  6. Step 6: Final answer
    x = 164,780.50

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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.