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Finding the Fourth Proportional to 575,673.10, 863,574.45 and 176,310.70

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Solution

The fourth proportional to 575,673.10, 863,574.45 and 176,310.70 is: 264,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,673.10 : 863,574.45 = 176,310.70 : x
  2. Step 2: Convert to fraction form
    575,673.10/863,574.45 = 176,310.70/x
  3. Step 3: Cross multiply
    575,673.10x = 863,574.45 × 176,310.70
  4. Step 4: Simplify right side
    575,673.10x = 152,257,415,781.62
  5. Step 5: Solve for x
    x = 152,257,415,781.62/575,673.10
  6. Step 6: Final answer
    x = 264,485.90

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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.