Home / 217,748.04-326,455.93-99,336.57

Finding the Fourth Proportional to 217,748.04, 326,455.93 and 99,336.57

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Solution

The fourth proportional to 217,748.04, 326,455.93 and 99,336.57 is: 148,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748.04 : 326,455.93 = 99,336.57 : x
  2. Step 2: Convert to fraction form
    217,748.04/326,455.93 = 99,336.57/x
  3. Step 3: Cross multiply
    217,748.04x = 326,455.93 × 99,336.57
  4. Step 4: Simplify right side
    217,748.04x = 32,429,012,342.36
  5. Step 5: Solve for x
    x = 32,429,012,342.36/217,748.04
  6. Step 6: Final answer
    x = 148,929.07

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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.