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Finding the Fourth Proportional to 567,339.87, 851,012.55 and 167,988.18

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Solution

The fourth proportional to 567,339.87, 851,012.55 and 167,988.18 is: 251,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,339.87 : 851,012.55 = 167,988.18 : x
  2. Step 2: Convert to fraction form
    567,339.87/851,012.55 = 167,988.18/x
  3. Step 3: Cross multiply
    567,339.87x = 851,012.55 × 167,988.18
  4. Step 4: Simplify right side
    567,339.87x = 142,960,049,431.66
  5. Step 5: Solve for x
    x = 142,960,049,431.66/567,339.87
  6. Step 6: Final answer
    x = 251,983.08

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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.