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Finding the Fourth Proportional to 259,960.34, 358,746.18 and 140,728.34

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Solution

The fourth proportional to 259,960.34, 358,746.18 and 140,728.34 is: 194,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,960.34 : 358,746.18 = 140,728.34 : x
  2. Step 2: Convert to fraction form
    259,960.34/358,746.18 = 140,728.34/x
  3. Step 3: Cross multiply
    259,960.34x = 358,746.18 × 140,728.34
  4. Step 4: Simplify right side
    259,960.34x = 50,485,754,392.74
  5. Step 5: Solve for x
    x = 50,485,754,392.74/259,960.34
  6. Step 6: Final answer
    x = 194,205.60

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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.