Home / 379,080.54-523,117.44-209,311.02

Finding the Fourth Proportional to 379,080.54, 523,117.44 and 209,311.02

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Solution

The fourth proportional to 379,080.54, 523,117.44 and 209,311.02 is: 288,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,080.54 : 523,117.44 = 209,311.02 : x
  2. Step 2: Convert to fraction form
    379,080.54/523,117.44 = 209,311.02/x
  3. Step 3: Cross multiply
    379,080.54x = 523,117.44 × 209,311.02
  4. Step 4: Simplify right side
    379,080.54x = 109,494,244,946.19
  5. Step 5: Solve for x
    x = 109,494,244,946.19/379,080.54
  6. Step 6: Final answer
    x = 288,841.64

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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.