Home / 441,638.10-662,457.15-109,214.10

Finding the Fourth Proportional to 441,638.10, 662,457.15 and 109,214.10

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Solution

The fourth proportional to 441,638.10, 662,457.15 and 109,214.10 is: 163,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,638.10 : 662,457.15 = 109,214.10 : x
  2. Step 2: Convert to fraction form
    441,638.10/662,457.15 = 109,214.10/x
  3. Step 3: Cross multiply
    441,638.10x = 662,457.15 × 109,214.10
  4. Step 4: Simplify right side
    441,638.10x = 72,349,661,425.82
  5. Step 5: Solve for x
    x = 72,349,661,425.82/441,638.10
  6. Step 6: Final answer
    x = 163,821.15

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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.