Home / 436,128.60-654,236.10-151,775.40

Finding the Fourth Proportional to 436,128.60, 654,236.10 and 151,775.40

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Solution

The fourth proportional to 436,128.60, 654,236.10 and 151,775.40 is: 227,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,128.60 : 654,236.10 = 151,775.40 : x
  2. Step 2: Convert to fraction form
    436,128.60/654,236.10 = 151,775.40/x
  3. Step 3: Cross multiply
    436,128.60x = 654,236.10 × 151,775.40
  4. Step 4: Simplify right side
    436,128.60x = 99,296,945,771.94
  5. Step 5: Solve for x
    x = 99,296,945,771.94/436,128.60
  6. Step 6: Final answer
    x = 227,678.13

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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.