Home / 279,372.54-385,542.30-152,056.38

Finding the Fourth Proportional to 279,372.54, 385,542.30 and 152,056.38

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Solution

The fourth proportional to 279,372.54, 385,542.30 and 152,056.38 is: 209,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,372.54 : 385,542.30 = 152,056.38 : x
  2. Step 2: Convert to fraction form
    279,372.54/385,542.30 = 152,056.38/x
  3. Step 3: Cross multiply
    279,372.54x = 385,542.30 × 152,056.38
  4. Step 4: Simplify right side
    279,372.54x = 58,624,166,474.87
  5. Step 5: Solve for x
    x = 58,624,166,474.87/279,372.54
  6. Step 6: Final answer
    x = 209,842.26

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1.5x scale

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.