Home / 259,977.18-389,707.43-180,925.34

Finding the Fourth Proportional to 259,977.18, 389,707.43 and 180,925.34

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Solution

The fourth proportional to 259,977.18, 389,707.43 and 180,925.34 is: 271,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,977.18 : 389,707.43 = 180,925.34 : x
  2. Step 2: Convert to fraction form
    259,977.18/389,707.43 = 180,925.34/x
  3. Step 3: Cross multiply
    259,977.18x = 389,707.43 × 180,925.34
  4. Step 4: Simplify right side
    259,977.18x = 70,507,946,420.11
  5. Step 5: Solve for x
    x = 70,507,946,420.11/259,977.18
  6. Step 6: Final answer
    x = 271,208.21

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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.