Home / 285,621.12-425,878.12-277,774.04

Finding the Fourth Proportional to 285,621.12, 425,878.12 and 277,774.04

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Solution

The fourth proportional to 285,621.12, 425,878.12 and 277,774.04 is: 414,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,621.12 : 425,878.12 = 277,774.04 : x
  2. Step 2: Convert to fraction form
    285,621.12/425,878.12 = 277,774.04/x
  3. Step 3: Cross multiply
    285,621.12x = 425,878.12 × 277,774.04
  4. Step 4: Simplify right side
    285,621.12x = 118,297,885,940.01
  5. Step 5: Solve for x
    x = 118,297,885,940.01/285,621.12
  6. Step 6: Final answer
    x = 414,177.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.