Home / 400,877.10-601,322.03-134,639.92

Finding the Fourth Proportional to 400,877.10, 601,322.03 and 134,639.92

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Solution

The fourth proportional to 400,877.10, 601,322.03 and 134,639.92 is: 201,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,877.10 : 601,322.03 = 134,639.92 : x
  2. Step 2: Convert to fraction form
    400,877.10/601,322.03 = 134,639.92/x
  3. Step 3: Cross multiply
    400,877.10x = 601,322.03 × 134,639.92
  4. Step 4: Simplify right side
    400,877.10x = 80,961,950,596.79
  5. Step 5: Solve for x
    x = 80,961,950,596.79/400,877.10
  6. Step 6: Final answer
    x = 201,962.02

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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.