Home / 283,038.48-424,562.04-72,671.76

Finding the Fourth Proportional to 283,038.48, 424,562.04 and 72,671.76

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Solution

The fourth proportional to 283,038.48, 424,562.04 and 72,671.76 is: 109,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,038.48 : 424,562.04 = 72,671.76 : x
  2. Step 2: Convert to fraction form
    283,038.48/424,562.04 = 72,671.76/x
  3. Step 3: Cross multiply
    283,038.48x = 424,562.04 × 72,671.76
  4. Step 4: Simplify right side
    283,038.48x = 30,853,670,675.99
  5. Step 5: Solve for x
    x = 30,853,670,675.99/283,038.48
  6. Step 6: Final answer
    x = 109,008.75

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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.