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Finding the Fourth Proportional to 501,000.32, 751,427.52 and 145,919.04

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Solution

The fourth proportional to 501,000.32, 751,427.52 and 145,919.04 is: 218,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,000.32 : 751,427.52 = 145,919.04 : x
  2. Step 2: Convert to fraction form
    501,000.32/751,427.52 = 145,919.04/x
  3. Step 3: Cross multiply
    501,000.32x = 751,427.52 × 145,919.04
  4. Step 4: Simplify right side
    501,000.32x = 109,647,582,347.98
  5. Step 5: Solve for x
    x = 109,647,582,347.98/501,000.32
  6. Step 6: Final answer
    x = 218,857.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.