Home / 217,827.20-326,281.52-99,597.98

Finding the Fourth Proportional to 217,827.20, 326,281.52 and 99,597.98

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Solution

The fourth proportional to 217,827.20, 326,281.52 and 99,597.98 is: 149,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,827.20 : 326,281.52 = 99,597.98 : x
  2. Step 2: Convert to fraction form
    217,827.20/326,281.52 = 99,597.98/x
  3. Step 3: Cross multiply
    217,827.20x = 326,281.52 × 99,597.98
  4. Step 4: Simplify right side
    217,827.20x = 32,496,980,303.33
  5. Step 5: Solve for x
    x = 32,496,980,303.33/217,827.20
  6. Step 6: Final answer
    x = 149,186.97

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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.