Home / 457,091.29-685,817.36-141,572.80

Finding the Fourth Proportional to 457,091.29, 685,817.36 and 141,572.80

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Solution

The fourth proportional to 457,091.29, 685,817.36 and 141,572.80 is: 212,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,091.29 : 685,817.36 = 141,572.80 : x
  2. Step 2: Convert to fraction form
    457,091.29/685,817.36 = 141,572.80/x
  3. Step 3: Cross multiply
    457,091.29x = 685,817.36 × 141,572.80
  4. Step 4: Simplify right side
    457,091.29x = 97,093,083,943.81
  5. Step 5: Solve for x
    x = 97,093,083,943.81/457,091.29
  6. Step 6: Final answer
    x = 212,415.08

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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.