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Finding the Fourth Proportional to 271,590.45, 375,160.05 and 208,714.20

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Solution

The fourth proportional to 271,590.45, 375,160.05 and 208,714.20 is: 288,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,590.45 : 375,160.05 = 208,714.20 : x
  2. Step 2: Convert to fraction form
    271,590.45/375,160.05 = 208,714.20/x
  3. Step 3: Cross multiply
    271,590.45x = 375,160.05 × 208,714.20
  4. Step 4: Simplify right side
    271,590.45x = 78,301,229,707.71
  5. Step 5: Solve for x
    x = 78,301,229,707.71/271,590.45
  6. Step 6: Final answer
    x = 288,306.27

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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.