Home / 525,218.56-787,762.20-146,167.72

Finding the Fourth Proportional to 525,218.56, 787,762.20 and 146,167.72

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Solution

The fourth proportional to 525,218.56, 787,762.20 and 146,167.72 is: 219,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,218.56 : 787,762.20 = 146,167.72 : x
  2. Step 2: Convert to fraction form
    525,218.56/787,762.20 = 146,167.72/x
  3. Step 3: Cross multiply
    525,218.56x = 787,762.20 × 146,167.72
  4. Step 4: Simplify right side
    525,218.56x = 115,145,404,676.18
  5. Step 5: Solve for x
    x = 115,145,404,676.18/525,218.56
  6. Step 6: Final answer
    x = 219,233.31

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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.