Home / 418,226.49-577,157.81-227,243.07

Finding the Fourth Proportional to 418,226.49, 577,157.81 and 227,243.07

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Solution

The fourth proportional to 418,226.49, 577,157.81 and 227,243.07 is: 313,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,226.49 : 577,157.81 = 227,243.07 : x
  2. Step 2: Convert to fraction form
    418,226.49/577,157.81 = 227,243.07/x
  3. Step 3: Cross multiply
    418,226.49x = 577,157.81 × 227,243.07
  4. Step 4: Simplify right side
    418,226.49x = 131,155,111,482.66
  5. Step 5: Solve for x
    x = 131,155,111,482.66/418,226.49
  6. Step 6: Final answer
    x = 313,598.29

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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.