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Finding the Fourth Proportional to 216,735.64, 299,095.44 and 119,943.51

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Solution

The fourth proportional to 216,735.64, 299,095.44 and 119,943.51 is: 165,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,735.64 : 299,095.44 = 119,943.51 : x
  2. Step 2: Convert to fraction form
    216,735.64/299,095.44 = 119,943.51/x
  3. Step 3: Cross multiply
    216,735.64x = 299,095.44 × 119,943.51
  4. Step 4: Simplify right side
    216,735.64x = 35,874,556,898.59
  5. Step 5: Solve for x
    x = 35,874,556,898.59/216,735.64
  6. Step 6: Final answer
    x = 165,522.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.