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Finding the Fourth Proportional to 573,323.22, 859,985.22 and 146,860.64

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Solution

The fourth proportional to 573,323.22, 859,985.22 and 146,860.64 is: 220,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,323.22 : 859,985.22 = 146,860.64 : x
  2. Step 2: Convert to fraction form
    573,323.22/859,985.22 = 146,860.64/x
  3. Step 3: Cross multiply
    573,323.22x = 859,985.22 × 146,860.64
  4. Step 4: Simplify right side
    573,323.22x = 126,297,979,799.74
  5. Step 5: Solve for x
    x = 126,297,979,799.74/573,323.22
  6. Step 6: Final answer
    x = 220,291.06

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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.