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Finding the Fourth Proportional to 263,478.30, 395,217.45 and 245,852.70

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Solution

The fourth proportional to 263,478.30, 395,217.45 and 245,852.70 is: 368,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,478.30 : 395,217.45 = 245,852.70 : x
  2. Step 2: Convert to fraction form
    263,478.30/395,217.45 = 245,852.70/x
  3. Step 3: Cross multiply
    263,478.30x = 395,217.45 × 245,852.70
  4. Step 4: Simplify right side
    263,478.30x = 97,165,277,169.62
  5. Step 5: Solve for x
    x = 97,165,277,169.62/263,478.30
  6. Step 6: Final answer
    x = 368,779.05

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1.5x scale

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.