Home / 253,971.08-380,898.32-151,417.42

Finding the Fourth Proportional to 253,971.08, 380,898.32 and 151,417.42

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Solution

The fourth proportional to 253,971.08, 380,898.32 and 151,417.42 is: 227,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,971.08 : 380,898.32 = 151,417.42 : x
  2. Step 2: Convert to fraction form
    253,971.08/380,898.32 = 151,417.42/x
  3. Step 3: Cross multiply
    253,971.08x = 380,898.32 × 151,417.42
  4. Step 4: Simplify right side
    253,971.08x = 57,674,640,139.65
  5. Step 5: Solve for x
    x = 57,674,640,139.65/253,971.08
  6. Step 6: Final answer
    x = 227,091.37

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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.