Home / 314,913.04-434,586.29-171,672.97

Finding the Fourth Proportional to 314,913.04, 434,586.29 and 171,672.97

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Solution

The fourth proportional to 314,913.04, 434,586.29 and 171,672.97 is: 236,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,913.04 : 434,586.29 = 171,672.97 : x
  2. Step 2: Convert to fraction form
    314,913.04/434,586.29 = 171,672.97/x
  3. Step 3: Cross multiply
    314,913.04x = 434,586.29 × 171,672.97
  4. Step 4: Simplify right side
    314,913.04x = 74,606,718,478.43
  5. Step 5: Solve for x
    x = 74,606,718,478.43/314,913.04
  6. Step 6: Final answer
    x = 236,912.13

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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.