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Finding the Fourth Proportional to 240,131.94, 360,084.84 and 140,320.98

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Solution

The fourth proportional to 240,131.94, 360,084.84 and 140,320.98 is: 210,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,131.94 : 360,084.84 = 140,320.98 : x
  2. Step 2: Convert to fraction form
    240,131.94/360,084.84 = 140,320.98/x
  3. Step 3: Cross multiply
    240,131.94x = 360,084.84 × 140,320.98
  4. Step 4: Simplify right side
    240,131.94x = 50,527,457,631.94
  5. Step 5: Solve for x
    x = 50,527,457,631.94/240,131.94
  6. Step 6: Final answer
    x = 210,415.40

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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.