Home / 217,376.49-299,918.23-140,898.79

Finding the Fourth Proportional to 217,376.49, 299,918.23 and 140,898.79

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Solution

The fourth proportional to 217,376.49, 299,918.23 and 140,898.79 is: 194,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,376.49 : 299,918.23 = 140,898.79 : x
  2. Step 2: Convert to fraction form
    217,376.49/299,918.23 = 140,898.79/x
  3. Step 3: Cross multiply
    217,376.49x = 299,918.23 × 140,898.79
  4. Step 4: Simplify right side
    217,376.49x = 42,258,115,728.59
  5. Step 5: Solve for x
    x = 42,258,115,728.59/217,376.49
  6. Step 6: Final answer
    x = 194,400.58

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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.