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Finding the Fourth Proportional to 216,900.77, 325,407.24 and 127,019.39

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Solution

The fourth proportional to 216,900.77, 325,407.24 and 127,019.39 is: 190,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,900.77 : 325,407.24 = 127,019.39 : x
  2. Step 2: Convert to fraction form
    216,900.77/325,407.24 = 127,019.39/x
  3. Step 3: Cross multiply
    216,900.77x = 325,407.24 × 127,019.39
  4. Step 4: Simplify right side
    216,900.77x = 41,333,029,126.38
  5. Step 5: Solve for x
    x = 41,333,029,126.38/216,900.77
  6. Step 6: Final answer
    x = 190,561.93

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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.