Home / 217,396.44-299,869.02-157,055.76

Finding the Fourth Proportional to 217,396.44, 299,869.02 and 157,055.76

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Solution

The fourth proportional to 217,396.44, 299,869.02 and 157,055.76 is: 216,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,396.44 : 299,869.02 = 157,055.76 : x
  2. Step 2: Convert to fraction form
    217,396.44/299,869.02 = 157,055.76/x
  3. Step 3: Cross multiply
    217,396.44x = 299,869.02 × 157,055.76
  4. Step 4: Simplify right side
    217,396.44x = 47,096,156,836.56
  5. Step 5: Solve for x
    x = 47,096,156,836.56/217,396.44
  6. Step 6: Final answer
    x = 216,637.20

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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.