Home / 217,501.90-326,147.37-127,574

Finding the Fourth Proportional to 217,501.90, 326,147.37 and 127,574

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Solution

The fourth proportional to 217,501.90, 326,147.37 and 127,574 is: 191,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,501.90 : 326,147.37 = 127,574 : x
  2. Step 2: Convert to fraction form
    217,501.90/326,147.37 = 127,574/x
  3. Step 3: Cross multiply
    217,501.90x = 326,147.37 × 127,574
  4. Step 4: Simplify right side
    217,501.90x = 41,607,923,942.51
  5. Step 5: Solve for x
    x = 41,607,923,942.51/217,501.90
  6. Step 6: Final answer
    x = 191,299.13

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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.