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Finding the Fourth Proportional to 464,100.32, 640,453.28 and 260,184.44

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Solution

The fourth proportional to 464,100.32, 640,453.28 and 260,184.44 is: 359,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,100.32 : 640,453.28 = 260,184.44 : x
  2. Step 2: Convert to fraction form
    464,100.32/640,453.28 = 260,184.44/x
  3. Step 3: Cross multiply
    464,100.32x = 640,453.28 × 260,184.44
  4. Step 4: Simplify right side
    464,100.32x = 166,635,978,002.96
  5. Step 5: Solve for x
    x = 166,635,978,002.96/464,100.32
  6. Step 6: Final answer
    x = 359,051.63

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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.