Home / 307,091.07-423,876.93-193,989.15

Finding the Fourth Proportional to 307,091.07, 423,876.93 and 193,989.15

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Solution

The fourth proportional to 307,091.07, 423,876.93 and 193,989.15 is: 267,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,091.07 : 423,876.93 = 193,989.15 : x
  2. Step 2: Convert to fraction form
    307,091.07/423,876.93 = 193,989.15/x
  3. Step 3: Cross multiply
    307,091.07x = 423,876.93 × 193,989.15
  4. Step 4: Simplify right side
    307,091.07x = 82,227,525,355.31
  5. Step 5: Solve for x
    x = 82,227,525,355.31/307,091.07
  6. Step 6: Final answer
    x = 267,762.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.