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Finding the Fourth Proportional to 350,714.16, 484,146.60 and 205,499.76

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Solution

The fourth proportional to 350,714.16, 484,146.60 and 205,499.76 is: 283,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,714.16 : 484,146.60 = 205,499.76 : x
  2. Step 2: Convert to fraction form
    350,714.16/484,146.60 = 205,499.76/x
  3. Step 3: Cross multiply
    350,714.16x = 484,146.60 × 205,499.76
  4. Step 4: Simplify right side
    350,714.16x = 99,492,010,104.82
  5. Step 5: Solve for x
    x = 99,492,010,104.82/350,714.16
  6. Step 6: Final answer
    x = 283,684.04

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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.