Home / 314,819.58-434,438.35-171,576.54

Finding the Fourth Proportional to 314,819.58, 434,438.35 and 171,576.54

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Solution

The fourth proportional to 314,819.58, 434,438.35 and 171,576.54 is: 236,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,819.58 : 434,438.35 = 171,576.54 : x
  2. Step 2: Convert to fraction form
    314,819.58/434,438.35 = 171,576.54/x
  3. Step 3: Cross multiply
    314,819.58x = 434,438.35 × 171,576.54
  4. Step 4: Simplify right side
    314,819.58x = 74,539,428,936.31
  5. Step 5: Solve for x
    x = 74,539,428,936.31/314,819.58
  6. Step 6: Final answer
    x = 236,768.72

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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.