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Finding the Fourth Proportional to 576,300.75, 864,520.16 and 176,889.21

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Solution

The fourth proportional to 576,300.75, 864,520.16 and 176,889.21 is: 265,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,300.75 : 864,520.16 = 176,889.21 : x
  2. Step 2: Convert to fraction form
    576,300.75/864,520.16 = 176,889.21/x
  3. Step 3: Cross multiply
    576,300.75x = 864,520.16 × 176,889.21
  4. Step 4: Simplify right side
    576,300.75x = 152,924,287,247.03
  5. Step 5: Solve for x
    x = 152,924,287,247.03/576,300.75
  6. Step 6: Final answer
    x = 265,355.00

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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.