Home / 285,014.70-393,259.05-171,835.02

Finding the Fourth Proportional to 285,014.70, 393,259.05 and 171,835.02

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Solution

The fourth proportional to 285,014.70, 393,259.05 and 171,835.02 is: 237,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,014.70 : 393,259.05 = 171,835.02 : x
  2. Step 2: Convert to fraction form
    285,014.70/393,259.05 = 171,835.02/x
  3. Step 3: Cross multiply
    285,014.70x = 393,259.05 × 171,835.02
  4. Step 4: Simplify right side
    285,014.70x = 67,575,676,721.93
  5. Step 5: Solve for x
    x = 67,575,676,721.93/285,014.70
  6. Step 6: Final answer
    x = 237,095.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.