Home / 401,085.20-553,749.24-258,093.74

Finding the Fourth Proportional to 401,085.20, 553,749.24 and 258,093.74

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Solution

The fourth proportional to 401,085.20, 553,749.24 and 258,093.74 is: 356,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,085.20 : 553,749.24 = 258,093.74 : x
  2. Step 2: Convert to fraction form
    401,085.20/553,749.24 = 258,093.74/x
  3. Step 3: Cross multiply
    401,085.20x = 553,749.24 × 258,093.74
  4. Step 4: Simplify right side
    401,085.20x = 142,919,212,373.76
  5. Step 5: Solve for x
    x = 142,919,212,373.76/401,085.20
  6. Step 6: Final answer
    x = 356,331.30

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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.