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Finding the Fourth Proportional to 271,973.18, 375,215.51 and 157,230.71

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Solution

The fourth proportional to 271,973.18, 375,215.51 and 157,230.71 is: 216,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,973.18 : 375,215.51 = 157,230.71 : x
  2. Step 2: Convert to fraction form
    271,973.18/375,215.51 = 157,230.71/x
  3. Step 3: Cross multiply
    271,973.18x = 375,215.51 × 157,230.71
  4. Step 4: Simplify right side
    271,973.18x = 58,995,398,378.08
  5. Step 5: Solve for x
    x = 58,995,398,378.08/271,973.18
  6. Step 6: Final answer
    x = 216,916.24

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1.5x scale

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.