Home / 525,272.07-787,842.36-146,221.23

Finding the Fourth Proportional to 525,272.07, 787,842.36 and 146,221.23

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Solution

The fourth proportional to 525,272.07, 787,842.36 and 146,221.23 is: 219,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,272.07 : 787,842.36 = 146,221.23 : x
  2. Step 2: Convert to fraction form
    525,272.07/787,842.36 = 146,221.23/x
  3. Step 3: Cross multiply
    525,272.07x = 787,842.36 × 146,221.23
  4. Step 4: Simplify right side
    525,272.07x = 115,199,278,925.30
  5. Step 5: Solve for x
    x = 115,199,278,925.30/525,272.07
  6. Step 6: Final answer
    x = 219,313.54

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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.