Home / 347,777.50-521,569.87-123,108.37

Finding the Fourth Proportional to 347,777.50, 521,569.87 and 123,108.37

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Solution

The fourth proportional to 347,777.50, 521,569.87 and 123,108.37 is: 184,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,777.50 : 521,569.87 = 123,108.37 : x
  2. Step 2: Convert to fraction form
    347,777.50/521,569.87 = 123,108.37/x
  3. Step 3: Cross multiply
    347,777.50x = 521,569.87 × 123,108.37
  4. Step 4: Simplify right side
    347,777.50x = 64,209,616,536.81
  5. Step 5: Solve for x
    x = 64,209,616,536.81/347,777.50
  6. Step 6: Final answer
    x = 184,628.44

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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.