Home / 282,141.29-423,276.37-122,243.78

Finding the Fourth Proportional to 282,141.29, 423,276.37 and 122,243.78

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Solution

The fourth proportional to 282,141.29, 423,276.37 and 122,243.78 is: 183,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,141.29 : 423,276.37 = 122,243.78 : x
  2. Step 2: Convert to fraction form
    282,141.29/423,276.37 = 122,243.78/x
  3. Step 3: Cross multiply
    282,141.29x = 423,276.37 × 122,243.78
  4. Step 4: Simplify right side
    282,141.29x = 51,742,904,206.06
  5. Step 5: Solve for x
    x = 51,742,904,206.06/282,141.29
  6. Step 6: Final answer
    x = 183,393.59

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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.