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Finding the Fourth Proportional to 575,284.82, 863,051.84 and 220,298.87

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Solution

The fourth proportional to 575,284.82, 863,051.84 and 220,298.87 is: 330,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,284.82 : 863,051.84 = 220,298.87 : x
  2. Step 2: Convert to fraction form
    575,284.82/863,051.84 = 220,298.87/x
  3. Step 3: Cross multiply
    575,284.82x = 863,051.84 × 220,298.87
  4. Step 4: Simplify right side
    575,284.82x = 190,129,346,366.09
  5. Step 5: Solve for x
    x = 190,129,346,366.09/575,284.82
  6. Step 6: Final answer
    x = 330,496.03

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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.