Home / 441,630.72-662,438.40-109,206.72

Finding the Fourth Proportional to 441,630.72, 662,438.40 and 109,206.72

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Solution

The fourth proportional to 441,630.72, 662,438.40 and 109,206.72 is: 163,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,630.72 : 662,438.40 = 109,206.72 : x
  2. Step 2: Convert to fraction form
    441,630.72/662,438.40 = 109,206.72/x
  3. Step 3: Cross multiply
    441,630.72x = 662,438.40 × 109,206.72
  4. Step 4: Simplify right side
    441,630.72x = 72,342,724,866.05
  5. Step 5: Solve for x
    x = 72,342,724,866.05/441,630.72
  6. Step 6: Final answer
    x = 163,808.18

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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.