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Finding the Fourth Proportional to 575,284.67, 863,051.55 and 220,298.70

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Solution

The fourth proportional to 575,284.67, 863,051.55 and 220,298.70 is: 330,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,284.67 : 863,051.55 = 220,298.70 : x
  2. Step 2: Convert to fraction form
    575,284.67/863,051.55 = 220,298.70/x
  3. Step 3: Cross multiply
    575,284.67x = 863,051.55 × 220,298.70
  4. Step 4: Simplify right side
    575,284.67x = 190,129,134,497.99
  5. Step 5: Solve for x
    x = 190,129,134,497.99/575,284.67
  6. Step 6: Final answer
    x = 330,495.74

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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.