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Finding the Fourth Proportional to 636,714.64, 955,190.08 and 210,280.01

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Solution

The fourth proportional to 636,714.64, 955,190.08 and 210,280.01 is: 315,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,714.64 : 955,190.08 = 210,280.01 : x
  2. Step 2: Convert to fraction form
    636,714.64/955,190.08 = 210,280.01/x
  3. Step 3: Cross multiply
    636,714.64x = 955,190.08 × 210,280.01
  4. Step 4: Simplify right side
    636,714.64x = 200,857,379,574.30
  5. Step 5: Solve for x
    x = 200,857,379,574.30/636,714.64
  6. Step 6: Final answer
    x = 315,459.03

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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.