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Finding the Fourth Proportional to 346,438.52, 519,672.34 and 169,094.69

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Solution

The fourth proportional to 346,438.52, 519,672.34 and 169,094.69 is: 253,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,438.52 : 519,672.34 = 169,094.69 : x
  2. Step 2: Convert to fraction form
    346,438.52/519,672.34 = 169,094.69/x
  3. Step 3: Cross multiply
    346,438.52x = 519,672.34 × 169,094.69
  4. Step 4: Simplify right side
    346,438.52x = 87,873,832,795.65
  5. Step 5: Solve for x
    x = 87,873,832,795.65/346,438.52
  6. Step 6: Final answer
    x = 253,649.14

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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.