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Finding the Fourth Proportional to 407,361.81, 610,896.90 and 141,050.82

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Solution

The fourth proportional to 407,361.81, 610,896.90 and 141,050.82 is: 211,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,361.81 : 610,896.90 = 141,050.82 : x
  2. Step 2: Convert to fraction form
    407,361.81/610,896.90 = 141,050.82/x
  3. Step 3: Cross multiply
    407,361.81x = 610,896.90 × 141,050.82
  4. Step 4: Simplify right side
    407,361.81x = 86,167,508,680.46
  5. Step 5: Solve for x
    x = 86,167,508,680.46/407,361.81
  6. Step 6: Final answer
    x = 211,525.74

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1.5x scale

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.