Home / 314,678.90-471,811.52-152,530.02

Finding the Fourth Proportional to 314,678.90, 471,811.52 and 152,530.02

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Solution

The fourth proportional to 314,678.90, 471,811.52 and 152,530.02 is: 228,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,678.90 : 471,811.52 = 152,530.02 : x
  2. Step 2: Convert to fraction form
    314,678.90/471,811.52 = 152,530.02/x
  3. Step 3: Cross multiply
    314,678.90x = 471,811.52 × 152,530.02
  4. Step 4: Simplify right side
    314,678.90x = 71,965,419,819.18
  5. Step 5: Solve for x
    x = 71,965,419,819.18/314,678.90
  6. Step 6: Final answer
    x = 228,694.78

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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.