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Finding the Fourth Proportional to 347,804, 521,554.08 and 123,089.78

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Solution

The fourth proportional to 347,804, 521,554.08 and 123,089.78 is: 184,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,804 : 521,554.08 = 123,089.78 : x
  2. Step 2: Convert to fraction form
    347,804/521,554.08 = 123,089.78/x
  3. Step 3: Cross multiply
    347,804x = 521,554.08 × 123,089.78
  4. Step 4: Simplify right side
    347,804x = 64,197,976,965.30
  5. Step 5: Solve for x
    x = 64,197,976,965.30/347,804
  6. Step 6: Final answer
    x = 184,580.90

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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.