Home / 389,044.84-536,871.19-216,968.04

Finding the Fourth Proportional to 389,044.84, 536,871.19 and 216,968.04

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Solution

The fourth proportional to 389,044.84, 536,871.19 and 216,968.04 is: 299,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,044.84 : 536,871.19 = 216,968.04 : x
  2. Step 2: Convert to fraction form
    389,044.84/536,871.19 = 216,968.04/x
  3. Step 3: Cross multiply
    389,044.84x = 536,871.19 × 216,968.04
  4. Step 4: Simplify right side
    389,044.84x = 116,483,886,057.57
  5. Step 5: Solve for x
    x = 116,483,886,057.57/389,044.84
  6. Step 6: Final answer
    x = 299,409.92

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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.