Home / 249,561.28-344,399.20-136,391.36

Finding the Fourth Proportional to 249,561.28, 344,399.20 and 136,391.36

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Solution

The fourth proportional to 249,561.28, 344,399.20 and 136,391.36 is: 188,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,561.28 : 344,399.20 = 136,391.36 : x
  2. Step 2: Convert to fraction form
    249,561.28/344,399.20 = 136,391.36/x
  3. Step 3: Cross multiply
    249,561.28x = 344,399.20 × 136,391.36
  4. Step 4: Simplify right side
    249,561.28x = 46,973,075,270.91
  5. Step 5: Solve for x
    x = 46,973,075,270.91/249,561.28
  6. Step 6: Final answer
    x = 188,222.61

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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.