Home / 384,632.58-576,973.49-147,975.29

Finding the Fourth Proportional to 384,632.58, 576,973.49 and 147,975.29

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Solution

The fourth proportional to 384,632.58, 576,973.49 and 147,975.29 is: 221,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,632.58 : 576,973.49 = 147,975.29 : x
  2. Step 2: Convert to fraction form
    384,632.58/576,973.49 = 147,975.29/x
  3. Step 3: Cross multiply
    384,632.58x = 576,973.49 × 147,975.29
  4. Step 4: Simplify right side
    384,632.58x = 85,377,815,880.32
  5. Step 5: Solve for x
    x = 85,377,815,880.32/384,632.58
  6. Step 6: Final answer
    x = 221,972.40

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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.