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Finding the Fourth Proportional to 567,518.42, 851,280.71 and 168,162.66

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Solution

The fourth proportional to 567,518.42, 851,280.71 and 168,162.66 is: 252,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,518.42 : 851,280.71 = 168,162.66 : x
  2. Step 2: Convert to fraction form
    567,518.42/851,280.71 = 168,162.66/x
  3. Step 3: Cross multiply
    567,518.42x = 851,280.71 × 168,162.66
  4. Step 4: Simplify right side
    567,518.42x = 143,153,624,988.46
  5. Step 5: Solve for x
    x = 143,153,624,988.46/567,518.42
  6. Step 6: Final answer
    x = 252,244.89

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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.