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Finding the Fourth Proportional to 334,042.56, 460,607.04 and 257,390.64

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Solution

The fourth proportional to 334,042.56, 460,607.04 and 257,390.64 is: 354,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,042.56 : 460,607.04 = 257,390.64 : x
  2. Step 2: Convert to fraction form
    334,042.56/460,607.04 = 257,390.64/x
  3. Step 3: Cross multiply
    334,042.56x = 460,607.04 × 257,390.64
  4. Step 4: Simplify right side
    334,042.56x = 118,555,940,814.11
  5. Step 5: Solve for x
    x = 118,555,940,814.11/334,042.56
  6. Step 6: Final answer
    x = 354,912.68

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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.