Home / 281,436.48-388,382.94-152,376.30

Finding the Fourth Proportional to 281,436.48, 388,382.94 and 152,376.30

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Solution

The fourth proportional to 281,436.48, 388,382.94 and 152,376.30 is: 210,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,436.48 : 388,382.94 = 152,376.30 : x
  2. Step 2: Convert to fraction form
    281,436.48/388,382.94 = 152,376.30/x
  3. Step 3: Cross multiply
    281,436.48x = 388,382.94 × 152,376.30
  4. Step 4: Simplify right side
    281,436.48x = 59,180,355,380.32
  5. Step 5: Solve for x
    x = 59,180,355,380.32/281,436.48
  6. Step 6: Final answer
    x = 210,279.62

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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.