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Finding the Fourth Proportional to 346,438.77, 519,672.72 and 169,094.94

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Solution

The fourth proportional to 346,438.77, 519,672.72 and 169,094.94 is: 253,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,438.77 : 519,672.72 = 169,094.94 : x
  2. Step 2: Convert to fraction form
    346,438.77/519,672.72 = 169,094.94/x
  3. Step 3: Cross multiply
    346,438.77x = 519,672.72 × 169,094.94
  4. Step 4: Simplify right side
    346,438.77x = 87,874,026,985.30
  5. Step 5: Solve for x
    x = 87,874,026,985.30/346,438.77
  6. Step 6: Final answer
    x = 253,649.52

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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.