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Finding the Fourth Proportional to 243,091.53, 364,388.22 and 93,291.57

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Solution

The fourth proportional to 243,091.53, 364,388.22 and 93,291.57 is: 139,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,091.53 : 364,388.22 = 93,291.57 : x
  2. Step 2: Convert to fraction form
    243,091.53/364,388.22 = 93,291.57/x
  3. Step 3: Cross multiply
    243,091.53x = 364,388.22 × 93,291.57
  4. Step 4: Simplify right side
    243,091.53x = 33,994,349,133.31
  5. Step 5: Solve for x
    x = 33,994,349,133.31/243,091.53
  6. Step 6: Final answer
    x = 139,841.77

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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.