Home / 248,719.86-342,885.86-210,325.38

Finding the Fourth Proportional to 248,719.86, 342,885.86 and 210,325.38

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Solution

The fourth proportional to 248,719.86, 342,885.86 and 210,325.38 is: 289,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,719.86 : 342,885.86 = 210,325.38 : x
  2. Step 2: Convert to fraction form
    248,719.86/342,885.86 = 210,325.38/x
  3. Step 3: Cross multiply
    248,719.86x = 342,885.86 × 210,325.38
  4. Step 4: Simplify right side
    248,719.86x = 72,117,597,252.40
  5. Step 5: Solve for x
    x = 72,117,597,252.40/248,719.86
  6. Step 6: Final answer
    x = 289,955.12

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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.