Home / 380,178.94-524,588.43-219,002.50

Finding the Fourth Proportional to 380,178.94, 524,588.43 and 219,002.50

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Solution

The fourth proportional to 380,178.94, 524,588.43 and 219,002.50 is: 302,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,178.94 : 524,588.43 = 219,002.50 : x
  2. Step 2: Convert to fraction form
    380,178.94/524,588.43 = 219,002.50/x
  3. Step 3: Cross multiply
    380,178.94x = 524,588.43 × 219,002.50
  4. Step 4: Simplify right side
    380,178.94x = 114,886,177,641.08
  5. Step 5: Solve for x
    x = 114,886,177,641.08/380,178.94
  6. Step 6: Final answer
    x = 302,189.75

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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.