Home / 505,009.68-757,384.08-149,943.36

Finding the Fourth Proportional to 505,009.68, 757,384.08 and 149,943.36

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Solution

The fourth proportional to 505,009.68, 757,384.08 and 149,943.36 is: 224,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,009.68 : 757,384.08 = 149,943.36 : x
  2. Step 2: Convert to fraction form
    505,009.68/757,384.08 = 149,943.36/x
  3. Step 3: Cross multiply
    505,009.68x = 757,384.08 × 149,943.36
  4. Step 4: Simplify right side
    505,009.68x = 113,564,713,765.71
  5. Step 5: Solve for x
    x = 113,564,713,765.71/505,009.68
  6. Step 6: Final answer
    x = 224,876.31

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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.