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Finding the Fourth Proportional to 471,059.85, 650,060.76 and 256,203.51

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Solution

The fourth proportional to 471,059.85, 650,060.76 and 256,203.51 is: 353,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,059.85 : 650,060.76 = 256,203.51 : x
  2. Step 2: Convert to fraction form
    471,059.85/650,060.76 = 256,203.51/x
  3. Step 3: Cross multiply
    471,059.85x = 650,060.76 × 256,203.51
  4. Step 4: Simplify right side
    471,059.85x = 166,547,848,425.27
  5. Step 5: Solve for x
    x = 166,547,848,425.27/471,059.85
  6. Step 6: Final answer
    x = 353,559.85

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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.