Home / 379,871.04-524,186.78-210,101.52

Finding the Fourth Proportional to 379,871.04, 524,186.78 and 210,101.52

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Solution

The fourth proportional to 379,871.04, 524,186.78 and 210,101.52 is: 289,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,871.04 : 524,186.78 = 210,101.52 : x
  2. Step 2: Convert to fraction form
    379,871.04/524,186.78 = 210,101.52/x
  3. Step 3: Cross multiply
    379,871.04x = 524,186.78 × 210,101.52
  4. Step 4: Simplify right side
    379,871.04x = 110,132,439,241.91
  5. Step 5: Solve for x
    x = 110,132,439,241.91/379,871.04
  6. Step 6: Final answer
    x = 289,920.60

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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.