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Finding the Fourth Proportional to 569,622.72, 854,479.68 and 170,234.40

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Solution

The fourth proportional to 569,622.72, 854,479.68 and 170,234.40 is: 255,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,622.72 : 854,479.68 = 170,234.40 : x
  2. Step 2: Convert to fraction form
    569,622.72/854,479.68 = 170,234.40/x
  3. Step 3: Cross multiply
    569,622.72x = 854,479.68 × 170,234.40
  4. Step 4: Simplify right side
    569,622.72x = 145,461,835,636.99
  5. Step 5: Solve for x
    x = 145,461,835,636.99/569,622.72
  6. Step 6: Final answer
    x = 255,365.23

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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.