Home / 239,322.29-330,265.37-130,427.46

Finding the Fourth Proportional to 239,322.29, 330,265.37 and 130,427.46

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Solution

The fourth proportional to 239,322.29, 330,265.37 and 130,427.46 is: 179,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,322.29 : 330,265.37 = 130,427.46 : x
  2. Step 2: Convert to fraction form
    239,322.29/330,265.37 = 130,427.46/x
  3. Step 3: Cross multiply
    239,322.29x = 330,265.37 × 130,427.46
  4. Step 4: Simplify right side
    239,322.29x = 43,075,672,682.92
  5. Step 5: Solve for x
    x = 43,075,672,682.92/239,322.29
  6. Step 6: Final answer
    x = 179,990.23

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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.