Home / 461,433.27-692,145.81-145,890.30

Finding the Fourth Proportional to 461,433.27, 692,145.81 and 145,890.30

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Solution

The fourth proportional to 461,433.27, 692,145.81 and 145,890.30 is: 218,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,433.27 : 692,145.81 = 145,890.30 : x
  2. Step 2: Convert to fraction form
    461,433.27/692,145.81 = 145,890.30/x
  3. Step 3: Cross multiply
    461,433.27x = 692,145.81 × 145,890.30
  4. Step 4: Simplify right side
    461,433.27x = 100,977,359,864.64
  5. Step 5: Solve for x
    x = 100,977,359,864.64/461,433.27
  6. Step 6: Final answer
    x = 218,834.16

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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.