Home / 251,720.63-347,313.85-148,358.95

Finding the Fourth Proportional to 251,720.63, 347,313.85 and 148,358.95

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Solution

The fourth proportional to 251,720.63, 347,313.85 and 148,358.95 is: 204,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,720.63 : 347,313.85 = 148,358.95 : x
  2. Step 2: Convert to fraction form
    251,720.63/347,313.85 = 148,358.95/x
  3. Step 3: Cross multiply
    251,720.63x = 347,313.85 × 148,358.95
  4. Step 4: Simplify right side
    251,720.63x = 51,527,118,106.46
  5. Step 5: Solve for x
    x = 51,527,118,106.46/251,720.63
  6. Step 6: Final answer
    x = 204,699.62

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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.