Home / 272,683.61-376,318.90-163,821.25

Finding the Fourth Proportional to 272,683.61, 376,318.90 and 163,821.25

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Solution

The fourth proportional to 272,683.61, 376,318.90 and 163,821.25 is: 226,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,683.61 : 376,318.90 = 163,821.25 : x
  2. Step 2: Convert to fraction form
    272,683.61/376,318.90 = 163,821.25/x
  3. Step 3: Cross multiply
    272,683.61x = 376,318.90 × 163,821.25
  4. Step 4: Simplify right side
    272,683.61x = 61,649,032,596.63
  5. Step 5: Solve for x
    x = 61,649,032,596.63/272,683.61
  6. Step 6: Final answer
    x = 226,082.65

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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.