Home / 497,448.18-686,478.51-271,093.50

Finding the Fourth Proportional to 497,448.18, 686,478.51 and 271,093.50

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Solution

The fourth proportional to 497,448.18, 686,478.51 and 271,093.50 is: 374,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,448.18 : 686,478.51 = 271,093.50 : x
  2. Step 2: Convert to fraction form
    497,448.18/686,478.51 = 271,093.50/x
  3. Step 3: Cross multiply
    497,448.18x = 686,478.51 × 271,093.50
  4. Step 4: Simplify right side
    497,448.18x = 186,099,861,950.69
  5. Step 5: Solve for x
    x = 186,099,861,950.69/497,448.18
  6. Step 6: Final answer
    x = 374,109.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.