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Finding the Fourth Proportional to 452,535.22, 678,950.28 and 215,847.10

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Solution

The fourth proportional to 452,535.22, 678,950.28 and 215,847.10 is: 323,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,535.22 : 678,950.28 = 215,847.10 : x
  2. Step 2: Convert to fraction form
    452,535.22/678,950.28 = 215,847.10/x
  3. Step 3: Cross multiply
    452,535.22x = 678,950.28 × 215,847.10
  4. Step 4: Simplify right side
    452,535.22x = 146,549,448,982.19
  5. Step 5: Solve for x
    x = 146,549,448,982.19/452,535.22
  6. Step 6: Final answer
    x = 323,840.98

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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.