Home / 427,139.71-589,283.26-245,754.02

Finding the Fourth Proportional to 427,139.71, 589,283.26 and 245,754.02

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Solution

The fourth proportional to 427,139.71, 589,283.26 and 245,754.02 is: 339,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139.71 : 589,283.26 = 245,754.02 : x
  2. Step 2: Convert to fraction form
    427,139.71/589,283.26 = 245,754.02/x
  3. Step 3: Cross multiply
    427,139.71x = 589,283.26 × 245,754.02
  4. Step 4: Simplify right side
    427,139.71x = 144,818,730,922.53
  5. Step 5: Solve for x
    x = 144,818,730,922.53/427,139.71
  6. Step 6: Final answer
    x = 339,043.01

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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.