Home / 472,828.39-709,166.43-135,792.38

Finding the Fourth Proportional to 472,828.39, 709,166.43 and 135,792.38

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Solution

The fourth proportional to 472,828.39, 709,166.43 and 135,792.38 is: 203,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,828.39 : 709,166.43 = 135,792.38 : x
  2. Step 2: Convert to fraction form
    472,828.39/709,166.43 = 135,792.38/x
  3. Step 3: Cross multiply
    472,828.39x = 709,166.43 × 135,792.38
  4. Step 4: Simplify right side
    472,828.39x = 96,299,399,118.72
  5. Step 5: Solve for x
    x = 96,299,399,118.72/472,828.39
  6. Step 6: Final answer
    x = 203,666.70

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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.