Home / 603,741.08-905,642.60-154,465.82

Finding the Fourth Proportional to 603,741.08, 905,642.60 and 154,465.82

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Solution

The fourth proportional to 603,741.08, 905,642.60 and 154,465.82 is: 231,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,741.08 : 905,642.60 = 154,465.82 : x
  2. Step 2: Convert to fraction form
    603,741.08/905,642.60 = 154,465.82/x
  3. Step 3: Cross multiply
    603,741.08x = 905,642.60 × 154,465.82
  4. Step 4: Simplify right side
    603,741.08x = 139,890,821,535.39
  5. Step 5: Solve for x
    x = 139,890,821,535.39/603,741.08
  6. Step 6: Final answer
    x = 231,706.65

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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.