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Finding the Fourth Proportional to 567,397.40, 851,290.52 and 193,682.84

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Solution

The fourth proportional to 567,397.40, 851,290.52 and 193,682.84 is: 290,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,397.40 : 851,290.52 = 193,682.84 : x
  2. Step 2: Convert to fraction form
    567,397.40/851,290.52 = 193,682.84/x
  3. Step 3: Cross multiply
    567,397.40x = 851,290.52 × 193,682.84
  4. Step 4: Simplify right side
    567,397.40x = 164,880,365,578.68
  5. Step 5: Solve for x
    x = 164,880,365,578.68/567,397.40
  6. Step 6: Final answer
    x = 290,590.63

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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.