Home / 315,207.19-434,985.33-171,967.33

Finding the Fourth Proportional to 315,207.19, 434,985.33 and 171,967.33

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Solution

The fourth proportional to 315,207.19, 434,985.33 and 171,967.33 is: 237,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,207.19 : 434,985.33 = 171,967.33 : x
  2. Step 2: Convert to fraction form
    315,207.19/434,985.33 = 171,967.33/x
  3. Step 3: Cross multiply
    315,207.19x = 434,985.33 × 171,967.33
  4. Step 4: Simplify right side
    315,207.19x = 74,803,265,789.27
  5. Step 5: Solve for x
    x = 74,803,265,789.27/315,207.19
  6. Step 6: Final answer
    x = 237,314.59

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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.