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Finding the Fourth Proportional to 273,955.46, 377,813.75 and 171,990.42

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Solution

The fourth proportional to 273,955.46, 377,813.75 and 171,990.42 is: 237,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,955.46 : 377,813.75 = 171,990.42 : x
  2. Step 2: Convert to fraction form
    273,955.46/377,813.75 = 171,990.42/x
  3. Step 3: Cross multiply
    273,955.46x = 377,813.75 × 171,990.42
  4. Step 4: Simplify right side
    273,955.46x = 64,980,344,684.32
  5. Step 5: Solve for x
    x = 64,980,344,684.32/273,955.46
  6. Step 6: Final answer
    x = 237,193.10

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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.