Home / 347,713.80-521,570.70-123,072.45

Finding the Fourth Proportional to 347,713.80, 521,570.70 and 123,072.45

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Solution

The fourth proportional to 347,713.80, 521,570.70 and 123,072.45 is: 184,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,713.80 : 521,570.70 = 123,072.45 : x
  2. Step 2: Convert to fraction form
    347,713.80/521,570.70 = 123,072.45/x
  3. Step 3: Cross multiply
    347,713.80x = 521,570.70 × 123,072.45
  4. Step 4: Simplify right side
    347,713.80x = 64,190,983,897.22
  5. Step 5: Solve for x
    x = 64,190,983,897.22/347,713.80
  6. Step 6: Final answer
    x = 184,608.68

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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.