Home / 307,868.96-424,746.78-180,519.86

Finding the Fourth Proportional to 307,868.96, 424,746.78 and 180,519.86

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Solution

The fourth proportional to 307,868.96, 424,746.78 and 180,519.86 is: 249,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,868.96 : 424,746.78 = 180,519.86 : x
  2. Step 2: Convert to fraction form
    307,868.96/424,746.78 = 180,519.86/x
  3. Step 3: Cross multiply
    307,868.96x = 424,746.78 × 180,519.86
  4. Step 4: Simplify right side
    307,868.96x = 76,675,229,261.05
  5. Step 5: Solve for x
    x = 76,675,229,261.05/307,868.96
  6. Step 6: Final answer
    x = 249,051.51

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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.