Home / 282,121.50-423,214.36-102,291.61

Finding the Fourth Proportional to 282,121.50, 423,214.36 and 102,291.61

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Solution

The fourth proportional to 282,121.50, 423,214.36 and 102,291.61 is: 153,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,121.50 : 423,214.36 = 102,291.61 : x
  2. Step 2: Convert to fraction form
    282,121.50/423,214.36 = 102,291.61/x
  3. Step 3: Cross multiply
    282,121.50x = 423,214.36 × 102,291.61
  4. Step 4: Simplify right side
    282,121.50x = 43,291,277,547.48
  5. Step 5: Solve for x
    x = 43,291,277,547.48/282,121.50
  6. Step 6: Final answer
    x = 153,449.06

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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.