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Finding the Fourth Proportional to 356,184.96, 533,429.30 and 206,108.98

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Solution

The fourth proportional to 356,184.96, 533,429.30 and 206,108.98 is: 308,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,184.96 : 533,429.30 = 206,108.98 : x
  2. Step 2: Convert to fraction form
    356,184.96/533,429.30 = 206,108.98/x
  3. Step 3: Cross multiply
    356,184.96x = 533,429.30 × 206,108.98
  4. Step 4: Simplify right side
    356,184.96x = 109,944,568,925.11
  5. Step 5: Solve for x
    x = 109,944,568,925.11/356,184.96
  6. Step 6: Final answer
    x = 308,672.69

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1.5x scale

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.