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Finding the Fourth Proportional to 394,952.46, 545,099.57 and 242,075.69

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Solution

The fourth proportional to 394,952.46, 545,099.57 and 242,075.69 is: 334,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,952.46 : 545,099.57 = 242,075.69 : x
  2. Step 2: Convert to fraction form
    394,952.46/545,099.57 = 242,075.69/x
  3. Step 3: Cross multiply
    394,952.46x = 545,099.57 × 242,075.69
  4. Step 4: Simplify right side
    394,952.46x = 131,955,354,904.16
  5. Step 5: Solve for x
    x = 131,955,354,904.16/394,952.46
  6. Step 6: Final answer
    x = 334,104.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.