Home / 282,619.18-389,624.74-225,452.52

Finding the Fourth Proportional to 282,619.18, 389,624.74 and 225,452.52

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Solution

The fourth proportional to 282,619.18, 389,624.74 and 225,452.52 is: 310,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,619.18 : 389,624.74 = 225,452.52 : x
  2. Step 2: Convert to fraction form
    282,619.18/389,624.74 = 225,452.52/x
  3. Step 3: Cross multiply
    282,619.18x = 389,624.74 × 225,452.52
  4. Step 4: Simplify right side
    282,619.18x = 87,841,879,487.34
  5. Step 5: Solve for x
    x = 87,841,879,487.34/282,619.18
  6. Step 6: Final answer
    x = 310,813.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.