Home / 497,491.02-686,538.27-271,136.52

Finding the Fourth Proportional to 497,491.02, 686,538.27 and 271,136.52

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Solution

The fourth proportional to 497,491.02, 686,538.27 and 271,136.52 is: 374,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,491.02 : 686,538.27 = 271,136.52 : x
  2. Step 2: Convert to fraction form
    497,491.02/686,538.27 = 271,136.52/x
  3. Step 3: Cross multiply
    497,491.02x = 686,538.27 × 271,136.52
  4. Step 4: Simplify right side
    497,491.02x = 186,145,597,374.62
  5. Step 5: Solve for x
    x = 186,145,597,374.62/497,491.02
  6. Step 6: Final answer
    x = 374,168.76

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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.