Home / 271,830.44-375,104.05-157,116.51

Finding the Fourth Proportional to 271,830.44, 375,104.05 and 157,116.51

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Solution

The fourth proportional to 271,830.44, 375,104.05 and 157,116.51 is: 216,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,830.44 : 375,104.05 = 157,116.51 : x
  2. Step 2: Convert to fraction form
    271,830.44/375,104.05 = 157,116.51/x
  3. Step 3: Cross multiply
    271,830.44x = 375,104.05 × 157,116.51
  4. Step 4: Simplify right side
    271,830.44x = 58,935,038,830.07
  5. Step 5: Solve for x
    x = 58,935,038,830.07/271,830.44
  6. Step 6: Final answer
    x = 216,808.09

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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.