Home / 307,905.87-424,872.63-171,947.37

Finding the Fourth Proportional to 307,905.87, 424,872.63 and 171,947.37

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Solution

The fourth proportional to 307,905.87, 424,872.63 and 171,947.37 is: 237,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,905.87 : 424,872.63 = 171,947.37 : x
  2. Step 2: Convert to fraction form
    307,905.87/424,872.63 = 171,947.37/x
  3. Step 3: Cross multiply
    307,905.87x = 424,872.63 × 171,947.37
  4. Step 4: Simplify right side
    307,905.87x = 73,055,731,313.48
  5. Step 5: Solve for x
    x = 73,055,731,313.48/307,905.87
  6. Step 6: Final answer
    x = 237,266.45

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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.