Home / 461,130.06-636,343.90-254,406.72

Finding the Fourth Proportional to 461,130.06, 636,343.90 and 254,406.72

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Solution

The fourth proportional to 461,130.06, 636,343.90 and 254,406.72 is: 351,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,130.06 : 636,343.90 = 254,406.72 : x
  2. Step 2: Convert to fraction form
    461,130.06/636,343.90 = 254,406.72/x
  3. Step 3: Cross multiply
    461,130.06x = 636,343.90 × 254,406.72
  4. Step 4: Simplify right side
    461,130.06x = 161,890,166,141.28
  5. Step 5: Solve for x
    x = 161,890,166,141.28/461,130.06
  6. Step 6: Final answer
    x = 351,072.68

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1.5x scale

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.