Home / 347,616.80-521,434.92-122,945.48

Finding the Fourth Proportional to 347,616.80, 521,434.92 and 122,945.48

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Solution

The fourth proportional to 347,616.80, 521,434.92 and 122,945.48 is: 184,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,616.80 : 521,434.92 = 122,945.48 : x
  2. Step 2: Convert to fraction form
    347,616.80/521,434.92 = 122,945.48/x
  3. Step 3: Cross multiply
    347,616.80x = 521,434.92 × 122,945.48
  4. Step 4: Simplify right side
    347,616.80x = 64,108,066,528.16
  5. Step 5: Solve for x
    x = 64,108,066,528.16/347,616.80
  6. Step 6: Final answer
    x = 184,421.66

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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.