Home / 282,565.82-423,434-142,131.26

Finding the Fourth Proportional to 282,565.82, 423,434 and 142,131.26

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Solution

The fourth proportional to 282,565.82, 423,434 and 142,131.26 is: 212,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,565.82 : 423,434 = 142,131.26 : x
  2. Step 2: Convert to fraction form
    282,565.82/423,434 = 142,131.26/x
  3. Step 3: Cross multiply
    282,565.82x = 423,434 × 142,131.26
  4. Step 4: Simplify right side
    282,565.82x = 60,183,207,946.84
  5. Step 5: Solve for x
    x = 60,183,207,946.84/282,565.82
  6. Step 6: Final answer
    x = 212,988.28

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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.