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Finding the Fourth Proportional to 259,808.46, 358,589.07 and 152,434.86

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Solution

The fourth proportional to 259,808.46, 358,589.07 and 152,434.86 is: 210,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,808.46 : 358,589.07 = 152,434.86 : x
  2. Step 2: Convert to fraction form
    259,808.46/358,589.07 = 152,434.86/x
  3. Step 3: Cross multiply
    259,808.46x = 358,589.07 × 152,434.86
  4. Step 4: Simplify right side
    259,808.46x = 54,661,474,682.98
  5. Step 5: Solve for x
    x = 54,661,474,682.98/259,808.46
  6. Step 6: Final answer
    x = 210,391.43

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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.