Home / 401,117.26-553,541.91-219,836.38

Finding the Fourth Proportional to 401,117.26, 553,541.91 and 219,836.38

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Solution

The fourth proportional to 401,117.26, 553,541.91 and 219,836.38 is: 303,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,117.26 : 553,541.91 = 219,836.38 : x
  2. Step 2: Convert to fraction form
    401,117.26/553,541.91 = 219,836.38/x
  3. Step 3: Cross multiply
    401,117.26x = 553,541.91 × 219,836.38
  4. Step 4: Simplify right side
    401,117.26x = 121,688,649,672.69
  5. Step 5: Solve for x
    x = 121,688,649,672.69/401,117.26
  6. Step 6: Final answer
    x = 303,374.25

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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.