Home / 281,528.94-388,509.33-152,467.02

Finding the Fourth Proportional to 281,528.94, 388,509.33 and 152,467.02

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Solution

The fourth proportional to 281,528.94, 388,509.33 and 152,467.02 is: 210,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,528.94 : 388,509.33 = 152,467.02 : x
  2. Step 2: Convert to fraction form
    281,528.94/388,509.33 = 152,467.02/x
  3. Step 3: Cross multiply
    281,528.94x = 388,509.33 × 152,467.02
  4. Step 4: Simplify right side
    281,528.94x = 59,234,859,787.30
  5. Step 5: Solve for x
    x = 59,234,859,787.30/281,528.94
  6. Step 6: Final answer
    x = 210,404.16

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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.