Home / 389,475.12-584,009.10-176,059.56

Finding the Fourth Proportional to 389,475.12, 584,009.10 and 176,059.56

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Solution

The fourth proportional to 389,475.12, 584,009.10 and 176,059.56 is: 263,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,475.12 : 584,009.10 = 176,059.56 : x
  2. Step 2: Convert to fraction form
    389,475.12/584,009.10 = 176,059.56/x
  3. Step 3: Cross multiply
    389,475.12x = 584,009.10 × 176,059.56
  4. Step 4: Simplify right side
    389,475.12x = 102,820,385,182.00
  5. Step 5: Solve for x
    x = 102,820,385,182.00/389,475.12
  6. Step 6: Final answer
    x = 263,997.31

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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.