Home / 314,125.34-471,240.92-145,577.30

Finding the Fourth Proportional to 314,125.34, 471,240.92 and 145,577.30

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Solution

The fourth proportional to 314,125.34, 471,240.92 and 145,577.30 is: 218,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,125.34 : 471,240.92 = 145,577.30 : x
  2. Step 2: Convert to fraction form
    314,125.34/471,240.92 = 145,577.30/x
  3. Step 3: Cross multiply
    314,125.34x = 471,240.92 × 145,577.30
  4. Step 4: Simplify right side
    314,125.34x = 68,601,978,790.85
  5. Step 5: Solve for x
    x = 68,601,978,790.85/314,125.34
  6. Step 6: Final answer
    x = 218,390.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.