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Finding the Fourth Proportional to 453,950.73, 680,671.86 and 210,530.80

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Solution

The fourth proportional to 453,950.73, 680,671.86 and 210,530.80 is: 315,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,950.73 : 680,671.86 = 210,530.80 : x
  2. Step 2: Convert to fraction form
    453,950.73/680,671.86 = 210,530.80/x
  3. Step 3: Cross multiply
    453,950.73x = 680,671.86 × 210,530.80
  4. Step 4: Simplify right side
    453,950.73x = 143,302,387,455.86
  5. Step 5: Solve for x
    x = 143,302,387,455.86/453,950.73
  6. Step 6: Final answer
    x = 315,678.28

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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.