Home / 380,914.94-525,383.25-273,595.20

Finding the Fourth Proportional to 380,914.94, 525,383.25 and 273,595.20

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Solution

The fourth proportional to 380,914.94, 525,383.25 and 273,595.20 is: 377,360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,914.94 : 525,383.25 = 273,595.20 : x
  2. Step 2: Convert to fraction form
    380,914.94/525,383.25 = 273,595.20/x
  3. Step 3: Cross multiply
    380,914.94x = 525,383.25 × 273,595.20
  4. Step 4: Simplify right side
    380,914.94x = 143,742,335,360.40
  5. Step 5: Solve for x
    x = 143,742,335,360.40/380,914.94
  6. Step 6: Final answer
    x = 377,360.72

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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.