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Finding the Fourth Proportional to 575,281.85, 863,047.34 and 220,295.88

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Solution

The fourth proportional to 575,281.85, 863,047.34 and 220,295.88 is: 330,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,281.85 : 863,047.34 = 220,295.88 : x
  2. Step 2: Convert to fraction form
    575,281.85/863,047.34 = 220,295.88/x
  3. Step 3: Cross multiply
    575,281.85x = 863,047.34 × 220,295.88
  4. Step 4: Simplify right side
    575,281.85x = 190,125,774,303.10
  5. Step 5: Solve for x
    x = 190,125,774,303.10/575,281.85
  6. Step 6: Final answer
    x = 330,491.52

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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.