Home / 259,715.85-358,408.43-146,538.69

Finding the Fourth Proportional to 259,715.85, 358,408.43 and 146,538.69

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Solution

The fourth proportional to 259,715.85, 358,408.43 and 146,538.69 is: 202,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,715.85 : 358,408.43 = 146,538.69 : x
  2. Step 2: Convert to fraction form
    259,715.85/358,408.43 = 146,538.69/x
  3. Step 3: Cross multiply
    259,715.85x = 358,408.43 × 146,538.69
  4. Step 4: Simplify right side
    259,715.85x = 52,520,701,084.46
  5. Step 5: Solve for x
    x = 52,520,701,084.46/259,715.85
  6. Step 6: Final answer
    x = 202,223.70

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1.5x scale

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.