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Finding the Fourth Proportional to 433,798.28, 599,015.22 and 272,921.48

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Solution

The fourth proportional to 433,798.28, 599,015.22 and 272,921.48 is: 376,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,798.28 : 599,015.22 = 272,921.48 : x
  2. Step 2: Convert to fraction form
    433,798.28/599,015.22 = 272,921.48/x
  3. Step 3: Cross multiply
    433,798.28x = 599,015.22 × 272,921.48
  4. Step 4: Simplify right side
    433,798.28x = 163,484,120,384.93
  5. Step 5: Solve for x
    x = 163,484,120,384.93/433,798.28
  6. Step 6: Final answer
    x = 376,866.69

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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.