Home / 378,579.27-567,307.91-153,666.03

Finding the Fourth Proportional to 378,579.27, 567,307.91 and 153,666.03

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Solution

The fourth proportional to 378,579.27, 567,307.91 and 153,666.03 is: 230,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,579.27 : 567,307.91 = 153,666.03 : x
  2. Step 2: Convert to fraction form
    378,579.27/567,307.91 = 153,666.03/x
  3. Step 3: Cross multiply
    378,579.27x = 567,307.91 × 153,666.03
  4. Step 4: Simplify right side
    378,579.27x = 87,175,950,712.43
  5. Step 5: Solve for x
    x = 87,175,950,712.43/378,579.27
  6. Step 6: Final answer
    x = 230,271.33

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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.