Home / 314,977.20-472,465.80-265,769.70

Finding the Fourth Proportional to 314,977.20, 472,465.80 and 265,769.70

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Solution

The fourth proportional to 314,977.20, 472,465.80 and 265,769.70 is: 398,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,977.20 : 472,465.80 = 265,769.70 : x
  2. Step 2: Convert to fraction form
    314,977.20/472,465.80 = 265,769.70/x
  3. Step 3: Cross multiply
    314,977.20x = 472,465.80 × 265,769.70
  4. Step 4: Simplify right side
    314,977.20x = 125,567,093,926.26
  5. Step 5: Solve for x
    x = 125,567,093,926.26/314,977.20
  6. Step 6: Final answer
    x = 398,654.55

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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.