Home / 217,011.40-325,517.10-133,030.60

Finding the Fourth Proportional to 217,011.40, 325,517.10 and 133,030.60

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Solution

The fourth proportional to 217,011.40, 325,517.10 and 133,030.60 is: 199,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,011.40 : 325,517.10 = 133,030.60 : x
  2. Step 2: Convert to fraction form
    217,011.40/325,517.10 = 133,030.60/x
  3. Step 3: Cross multiply
    217,011.40x = 325,517.10 × 133,030.60
  4. Step 4: Simplify right side
    217,011.40x = 43,303,735,123.26
  5. Step 5: Solve for x
    x = 43,303,735,123.26/217,011.40
  6. Step 6: Final answer
    x = 199,545.90

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1.5x scale

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.