Home / 351,921.51-486,052.38-238,547.43

Finding the Fourth Proportional to 351,921.51, 486,052.38 and 238,547.43

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Solution

The fourth proportional to 351,921.51, 486,052.38 and 238,547.43 is: 329,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,921.51 : 486,052.38 = 238,547.43 : x
  2. Step 2: Convert to fraction form
    351,921.51/486,052.38 = 238,547.43/x
  3. Step 3: Cross multiply
    351,921.51x = 486,052.38 × 238,547.43
  4. Step 4: Simplify right side
    351,921.51x = 115,946,546,094.38
  5. Step 5: Solve for x
    x = 115,946,546,094.38/351,921.51
  6. Step 6: Final answer
    x = 329,467.06

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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.