Home / 418,813.36-577,971.80-227,837.04

Finding the Fourth Proportional to 418,813.36, 577,971.80 and 227,837.04

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Solution

The fourth proportional to 418,813.36, 577,971.80 and 227,837.04 is: 314,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,813.36 : 577,971.80 = 227,837.04 : x
  2. Step 2: Convert to fraction form
    418,813.36/577,971.80 = 227,837.04/x
  3. Step 3: Cross multiply
    418,813.36x = 577,971.80 × 227,837.04
  4. Step 4: Simplify right side
    418,813.36x = 131,683,384,115.47
  5. Step 5: Solve for x
    x = 131,683,384,115.47/418,813.36
  6. Step 6: Final answer
    x = 314,420.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.