Home / 270,243.84-405,374-92,748.28

Finding the Fourth Proportional to 270,243.84, 405,374 and 92,748.28

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Solution

The fourth proportional to 270,243.84, 405,374 and 92,748.28 is: 139,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,243.84 : 405,374 = 92,748.28 : x
  2. Step 2: Convert to fraction form
    270,243.84/405,374 = 92,748.28/x
  3. Step 3: Cross multiply
    270,243.84x = 405,374 × 92,748.28
  4. Step 4: Simplify right side
    270,243.84x = 37,597,741,256.72
  5. Step 5: Solve for x
    x = 37,597,741,256.72/270,243.84
  6. Step 6: Final answer
    x = 139,125.25

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1.5x scale

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.