Home / 309,932.67-464,686.74-157,835.31

Finding the Fourth Proportional to 309,932.67, 464,686.74 and 157,835.31

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Solution

The fourth proportional to 309,932.67, 464,686.74 and 157,835.31 is: 236,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,932.67 : 464,686.74 = 157,835.31 : x
  2. Step 2: Convert to fraction form
    309,932.67/464,686.74 = 157,835.31/x
  3. Step 3: Cross multiply
    309,932.67x = 464,686.74 × 157,835.31
  4. Step 4: Simplify right side
    309,932.67x = 73,343,975,660.79
  5. Step 5: Solve for x
    x = 73,343,975,660.79/309,932.67
  6. Step 6: Final answer
    x = 236,644.87

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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.