Home / 229,085.07-343,489.53-102,702.45

Finding the Fourth Proportional to 229,085.07, 343,489.53 and 102,702.45

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Solution

The fourth proportional to 229,085.07, 343,489.53 and 102,702.45 is: 153,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,085.07 : 343,489.53 = 102,702.45 : x
  2. Step 2: Convert to fraction form
    229,085.07/343,489.53 = 102,702.45/x
  3. Step 3: Cross multiply
    229,085.07x = 343,489.53 × 102,702.45
  4. Step 4: Simplify right side
    229,085.07x = 35,277,216,280.35
  5. Step 5: Solve for x
    x = 35,277,216,280.35/229,085.07
  6. Step 6: Final answer
    x = 153,991.77

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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.