Home / 430,959.03-646,222.24-251,102.58

Finding the Fourth Proportional to 430,959.03, 646,222.24 and 251,102.58

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Solution

The fourth proportional to 430,959.03, 646,222.24 and 251,102.58 is: 376,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,959.03 : 646,222.24 = 251,102.58 : x
  2. Step 2: Convert to fraction form
    430,959.03/646,222.24 = 251,102.58/x
  3. Step 3: Cross multiply
    430,959.03x = 646,222.24 × 251,102.58
  4. Step 4: Simplify right side
    430,959.03x = 162,268,071,717.38
  5. Step 5: Solve for x
    x = 162,268,071,717.38/430,959.03
  6. Step 6: Final answer
    x = 376,527.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.