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Finding the Fourth Proportional to 346,957.58, 519,628 and 337,380.56

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Solution

The fourth proportional to 346,957.58, 519,628 and 337,380.56 is: 505,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,957.58 : 519,628 = 337,380.56 : x
  2. Step 2: Convert to fraction form
    346,957.58/519,628 = 337,380.56/x
  3. Step 3: Cross multiply
    346,957.58x = 519,628 × 337,380.56
  4. Step 4: Simplify right side
    346,957.58x = 175,312,385,631.68
  5. Step 5: Solve for x
    x = 175,312,385,631.68/346,957.58
  6. Step 6: Final answer
    x = 505,284.78

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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.