Home / 379,342.08-523,485.97-207,256.35

Finding the Fourth Proportional to 379,342.08, 523,485.97 and 207,256.35

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Solution

The fourth proportional to 379,342.08, 523,485.97 and 207,256.35 is: 286,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,342.08 : 523,485.97 = 207,256.35 : x
  2. Step 2: Convert to fraction form
    379,342.08/523,485.97 = 207,256.35/x
  3. Step 3: Cross multiply
    379,342.08x = 523,485.97 × 207,256.35
  4. Step 4: Simplify right side
    379,342.08x = 108,495,791,690.84
  5. Step 5: Solve for x
    x = 108,495,791,690.84/379,342.08
  6. Step 6: Final answer
    x = 286,010.43

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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.