Home / 282,339.42-423,514.56-69,109.16

Finding the Fourth Proportional to 282,339.42, 423,514.56 and 69,109.16

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Solution

The fourth proportional to 282,339.42, 423,514.56 and 69,109.16 is: 103,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,339.42 : 423,514.56 = 69,109.16 : x
  2. Step 2: Convert to fraction form
    282,339.42/423,514.56 = 69,109.16/x
  3. Step 3: Cross multiply
    282,339.42x = 423,514.56 × 69,109.16
  4. Step 4: Simplify right side
    282,339.42x = 29,268,736,511.61
  5. Step 5: Solve for x
    x = 29,268,736,511.61/282,339.42
  6. Step 6: Final answer
    x = 103,665.07

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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.