Home / 378,623.69-566,929.51-228,661.10

Finding the Fourth Proportional to 378,623.69, 566,929.51 and 228,661.10

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Solution

The fourth proportional to 378,623.69, 566,929.51 and 228,661.10 is: 342,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,623.69 : 566,929.51 = 228,661.10 : x
  2. Step 2: Convert to fraction form
    378,623.69/566,929.51 = 228,661.10/x
  3. Step 3: Cross multiply
    378,623.69x = 566,929.51 × 228,661.10
  4. Step 4: Simplify right side
    378,623.69x = 129,634,725,379.06
  5. Step 5: Solve for x
    x = 129,634,725,379.06/378,623.69
  6. Step 6: Final answer
    x = 342,384.08

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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.