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Finding the Fourth Proportional to 355,528.20, 532,514.70 and 276,018.60

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Solution

The fourth proportional to 355,528.20, 532,514.70 and 276,018.60 is: 413,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,528.20 : 532,514.70 = 276,018.60 : x
  2. Step 2: Convert to fraction form
    355,528.20/532,514.70 = 276,018.60/x
  3. Step 3: Cross multiply
    355,528.20x = 532,514.70 × 276,018.60
  4. Step 4: Simplify right side
    355,528.20x = 146,983,961,973.42
  5. Step 5: Solve for x
    x = 146,983,961,973.42/355,528.20
  6. Step 6: Final answer
    x = 413,424.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.