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Finding the Fourth Proportional to 240,998.40, 361,497.60 and 194,342.40

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Solution

The fourth proportional to 240,998.40, 361,497.60 and 194,342.40 is: 291,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,998.40 : 361,497.60 = 194,342.40 : x
  2. Step 2: Convert to fraction form
    240,998.40/361,497.60 = 194,342.40/x
  3. Step 3: Cross multiply
    240,998.40x = 361,497.60 × 194,342.40
  4. Step 4: Simplify right side
    240,998.40x = 70,254,311,178.24
  5. Step 5: Solve for x
    x = 70,254,311,178.24/240,998.40
  6. Step 6: Final answer
    x = 291,513.60

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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.