Home / 315,125.26-434,878.73-171,890.44

Finding the Fourth Proportional to 315,125.26, 434,878.73 and 171,890.44

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Solution

The fourth proportional to 315,125.26, 434,878.73 and 171,890.44 is: 237,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,125.26 : 434,878.73 = 171,890.44 : x
  2. Step 2: Convert to fraction form
    315,125.26/434,878.73 = 171,890.44/x
  3. Step 3: Cross multiply
    315,125.26x = 434,878.73 × 171,890.44
  4. Step 4: Simplify right side
    315,125.26x = 74,751,496,246.34
  5. Step 5: Solve for x
    x = 74,751,496,246.34/315,125.26
  6. Step 6: Final answer
    x = 237,212.01

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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.