Home / 525,021.54-787,494.22-205,113.35

Finding the Fourth Proportional to 525,021.54, 787,494.22 and 205,113.35

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Solution

The fourth proportional to 525,021.54, 787,494.22 and 205,113.35 is: 307,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,021.54 : 787,494.22 = 205,113.35 : x
  2. Step 2: Convert to fraction form
    525,021.54/787,494.22 = 205,113.35/x
  3. Step 3: Cross multiply
    525,021.54x = 787,494.22 × 205,113.35
  4. Step 4: Simplify right side
    525,021.54x = 161,525,573,119.58
  5. Step 5: Solve for x
    x = 161,525,573,119.58/525,021.54
  6. Step 6: Final answer
    x = 307,655.14

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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.