Home / 217,415.79-325,501.61-147,169.35

Finding the Fourth Proportional to 217,415.79, 325,501.61 and 147,169.35

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Solution

The fourth proportional to 217,415.79, 325,501.61 and 147,169.35 is: 220,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,415.79 : 325,501.61 = 147,169.35 : x
  2. Step 2: Convert to fraction form
    217,415.79/325,501.61 = 147,169.35/x
  3. Step 3: Cross multiply
    217,415.79x = 325,501.61 × 147,169.35
  4. Step 4: Simplify right side
    217,415.79x = 47,903,859,631.81
  5. Step 5: Solve for x
    x = 47,903,859,631.81/217,415.79
  6. Step 6: Final answer
    x = 220,332.94

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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.