Home / 379,983.16-524,347.84-210,213.64

Finding the Fourth Proportional to 379,983.16, 524,347.84 and 210,213.64

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Solution

The fourth proportional to 379,983.16, 524,347.84 and 210,213.64 is: 290,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,983.16 : 524,347.84 = 210,213.64 : x
  2. Step 2: Convert to fraction form
    379,983.16/524,347.84 = 210,213.64/x
  3. Step 3: Cross multiply
    379,983.16x = 524,347.84 × 210,213.64
  4. Step 4: Simplify right side
    379,983.16x = 110,225,068,072.54
  5. Step 5: Solve for x
    x = 110,225,068,072.54/379,983.16
  6. Step 6: Final answer
    x = 290,078.82

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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.