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Finding the Fourth Proportional to 173,478.79, 259,814 and 168,690.28

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Solution

The fourth proportional to 173,478.79, 259,814 and 168,690.28 is: 252,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478.79 : 259,814 = 168,690.28 : x
  2. Step 2: Convert to fraction form
    173,478.79/259,814 = 168,690.28/x
  3. Step 3: Cross multiply
    173,478.79x = 259,814 × 168,690.28
  4. Step 4: Simplify right side
    173,478.79x = 43,828,096,407.92
  5. Step 5: Solve for x
    x = 43,828,096,407.92/173,478.79
  6. Step 6: Final answer
    x = 252,642.39

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1.5x scale

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.