Home / 347,804.25-521,554.46-123,090

Finding the Fourth Proportional to 347,804.25, 521,554.46 and 123,090

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Solution

The fourth proportional to 347,804.25, 521,554.46 and 123,090 is: 184,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,804.25 : 521,554.46 = 123,090 : x
  2. Step 2: Convert to fraction form
    347,804.25/521,554.46 = 123,090/x
  3. Step 3: Cross multiply
    347,804.25x = 521,554.46 × 123,090
  4. Step 4: Simplify right side
    347,804.25x = 64,198,137,865.95
  5. Step 5: Solve for x
    x = 64,198,137,865.95/347,804.25
  6. Step 6: Final answer
    x = 184,581.23

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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.