Home / 380,418.15-524,992.88-210,652.27

Finding the Fourth Proportional to 380,418.15, 524,992.88 and 210,652.27

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Solution

The fourth proportional to 380,418.15, 524,992.88 and 210,652.27 is: 290,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,418.15 : 524,992.88 = 210,652.27 : x
  2. Step 2: Convert to fraction form
    380,418.15/524,992.88 = 210,652.27/x
  3. Step 3: Cross multiply
    380,418.15x = 524,992.88 × 210,652.27
  4. Step 4: Simplify right side
    380,418.15x = 110,590,941,905.84
  5. Step 5: Solve for x
    x = 110,590,941,905.84/380,418.15
  6. Step 6: Final answer
    x = 290,708.90

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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.