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Finding the Fourth Proportional to 259,119.29, 388,886.30 and 134,495.93

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Solution

The fourth proportional to 259,119.29, 388,886.30 and 134,495.93 is: 201,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,119.29 : 388,886.30 = 134,495.93 : x
  2. Step 2: Convert to fraction form
    259,119.29/388,886.30 = 134,495.93/x
  3. Step 3: Cross multiply
    259,119.29x = 388,886.30 × 134,495.93
  4. Step 4: Simplify right side
    259,119.29x = 52,303,624,582.76
  5. Step 5: Solve for x
    x = 52,303,624,582.76/259,119.29
  6. Step 6: Final answer
    x = 201,851.53

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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.