Home / 340,848.38-471,221.08-255,817.82

Finding the Fourth Proportional to 340,848.38, 471,221.08 and 255,817.82

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Solution

The fourth proportional to 340,848.38, 471,221.08 and 255,817.82 is: 353,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,848.38 : 471,221.08 = 255,817.82 : x
  2. Step 2: Convert to fraction form
    340,848.38/471,221.08 = 255,817.82/x
  3. Step 3: Cross multiply
    340,848.38x = 471,221.08 × 255,817.82
  4. Step 4: Simplify right side
    340,848.38x = 120,546,749,423.65
  5. Step 5: Solve for x
    x = 120,546,749,423.65/340,848.38
  6. Step 6: Final answer
    x = 353,666.78

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1.5x scale

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.