Home / 645,992.32-968,914.65-172,714.58

Finding the Fourth Proportional to 645,992.32, 968,914.65 and 172,714.58

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Solution

The fourth proportional to 645,992.32, 968,914.65 and 172,714.58 is: 259,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,992.32 : 968,914.65 = 172,714.58 : x
  2. Step 2: Convert to fraction form
    645,992.32/968,914.65 = 172,714.58/x
  3. Step 3: Cross multiply
    645,992.32x = 968,914.65 × 172,714.58
  4. Step 4: Simplify right side
    645,992.32x = 167,345,686,830.60
  5. Step 5: Solve for x
    x = 167,345,686,830.60/645,992.32
  6. Step 6: Final answer
    x = 259,052.13

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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.