Home / 314,972.19-434,663.64-171,734.61

Finding the Fourth Proportional to 314,972.19, 434,663.64 and 171,734.61

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Solution

The fourth proportional to 314,972.19, 434,663.64 and 171,734.61 is: 236,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,972.19 : 434,663.64 = 171,734.61 : x
  2. Step 2: Convert to fraction form
    314,972.19/434,663.64 = 171,734.61/x
  3. Step 3: Cross multiply
    314,972.19x = 434,663.64 × 171,734.61
  4. Step 4: Simplify right side
    314,972.19x = 74,646,790,696.58
  5. Step 5: Solve for x
    x = 74,646,790,696.58/314,972.19
  6. Step 6: Final answer
    x = 236,994.86

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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.