Home / 525,274.07-787,845.36-146,223.23

Finding the Fourth Proportional to 525,274.07, 787,845.36 and 146,223.23

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Solution

The fourth proportional to 525,274.07, 787,845.36 and 146,223.23 is: 219,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,274.07 : 787,845.36 = 146,223.23 : x
  2. Step 2: Convert to fraction form
    525,274.07/787,845.36 = 146,223.23/x
  3. Step 3: Cross multiply
    525,274.07x = 787,845.36 × 146,223.23
  4. Step 4: Simplify right side
    525,274.07x = 115,201,293,279.71
  5. Step 5: Solve for x
    x = 115,201,293,279.71/525,274.07
  6. Step 6: Final answer
    x = 219,316.54

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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.