Home / 249,831.95-344,759.49-142,436.57

Finding the Fourth Proportional to 249,831.95, 344,759.49 and 142,436.57

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Solution

The fourth proportional to 249,831.95, 344,759.49 and 142,436.57 is: 196,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,831.95 : 344,759.49 = 142,436.57 : x
  2. Step 2: Convert to fraction form
    249,831.95/344,759.49 = 142,436.57/x
  3. Step 3: Cross multiply
    249,831.95x = 344,759.49 × 142,436.57
  4. Step 4: Simplify right side
    249,831.95x = 49,106,357,506.75
  5. Step 5: Solve for x
    x = 49,106,357,506.75/249,831.95
  6. Step 6: Final answer
    x = 196,557.56

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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.