Home / 351,721.49-485,374.01-190,576.55

Finding the Fourth Proportional to 351,721.49, 485,374.01 and 190,576.55

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Solution

The fourth proportional to 351,721.49, 485,374.01 and 190,576.55 is: 262,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,721.49 : 485,374.01 = 190,576.55 : x
  2. Step 2: Convert to fraction form
    351,721.49/485,374.01 = 190,576.55/x
  3. Step 3: Cross multiply
    351,721.49x = 485,374.01 × 190,576.55
  4. Step 4: Simplify right side
    351,721.49x = 92,500,900,905.71
  5. Step 5: Solve for x
    x = 92,500,900,905.71/351,721.49
  6. Step 6: Final answer
    x = 262,994.74

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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.