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Finding the Fourth Proportional to 341,352.72, 471,038.76 and 190,446.48

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Solution

The fourth proportional to 341,352.72, 471,038.76 and 190,446.48 is: 262,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,352.72 : 471,038.76 = 190,446.48 : x
  2. Step 2: Convert to fraction form
    341,352.72/471,038.76 = 190,446.48/x
  3. Step 3: Cross multiply
    341,352.72x = 471,038.76 × 190,446.48
  4. Step 4: Simplify right side
    341,352.72x = 89,707,673,785.56
  5. Step 5: Solve for x
    x = 89,707,673,785.56/341,352.72
  6. Step 6: Final answer
    x = 262,800.52

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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.