Home / 325,564.29-449,434.66-216,849.53

Finding the Fourth Proportional to 325,564.29, 449,434.66 and 216,849.53

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Solution

The fourth proportional to 325,564.29, 449,434.66 and 216,849.53 is: 299,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,564.29 : 449,434.66 = 216,849.53 : x
  2. Step 2: Convert to fraction form
    325,564.29/449,434.66 = 216,849.53/x
  3. Step 3: Cross multiply
    325,564.29x = 449,434.66 × 216,849.53
  4. Step 4: Simplify right side
    325,564.29x = 97,459,695,774.77
  5. Step 5: Solve for x
    x = 97,459,695,774.77/325,564.29
  6. Step 6: Final answer
    x = 299,356.22

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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.