Home / 563,497.72-845,295.78-142,773.59

Finding the Fourth Proportional to 563,497.72, 845,295.78 and 142,773.59

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Solution

The fourth proportional to 563,497.72, 845,295.78 and 142,773.59 is: 214,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,497.72 : 845,295.78 = 142,773.59 : x
  2. Step 2: Convert to fraction form
    563,497.72/845,295.78 = 142,773.59/x
  3. Step 3: Cross multiply
    563,497.72x = 845,295.78 × 142,773.59
  4. Step 4: Simplify right side
    563,497.72x = 120,685,913,122.45
  5. Step 5: Solve for x
    x = 120,685,913,122.45/563,497.72
  6. Step 6: Final answer
    x = 214,172.85

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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.