Home / 285,767.10-428,563.14-197,587.26

Finding the Fourth Proportional to 285,767.10, 428,563.14 and 197,587.26

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Solution

The fourth proportional to 285,767.10, 428,563.14 and 197,587.26 is: 296,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,767.10 : 428,563.14 = 197,587.26 : x
  2. Step 2: Convert to fraction form
    285,767.10/428,563.14 = 197,587.26/x
  3. Step 3: Cross multiply
    285,767.10x = 428,563.14 × 197,587.26
  4. Step 4: Simplify right side
    285,767.10x = 84,678,616,569.60
  5. Step 5: Solve for x
    x = 84,678,616,569.60/285,767.10
  6. Step 6: Final answer
    x = 296,320.38

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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.