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Finding the Fourth Proportional to 243,124.02, 364,795.11 and 154,353.78

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Solution

The fourth proportional to 243,124.02, 364,795.11 and 154,353.78 is: 231,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,124.02 : 364,795.11 = 154,353.78 : x
  2. Step 2: Convert to fraction form
    243,124.02/364,795.11 = 154,353.78/x
  3. Step 3: Cross multiply
    243,124.02x = 364,795.11 × 154,353.78
  4. Step 4: Simplify right side
    243,124.02x = 56,307,504,154.02
  5. Step 5: Solve for x
    x = 56,307,504,154.02/243,124.02
  6. Step 6: Final answer
    x = 231,599.92

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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.