Home / 249,647.06-344,512.95-136,469.81

Finding the Fourth Proportional to 249,647.06, 344,512.95 and 136,469.81

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Solution

The fourth proportional to 249,647.06, 344,512.95 and 136,469.81 is: 188,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,647.06 : 344,512.95 = 136,469.81 : x
  2. Step 2: Convert to fraction form
    249,647.06/344,512.95 = 136,469.81/x
  3. Step 3: Cross multiply
    249,647.06x = 344,512.95 × 136,469.81
  4. Step 4: Simplify right side
    249,647.06x = 47,015,617,178.56
  5. Step 5: Solve for x
    x = 47,015,617,178.56/249,647.06
  6. Step 6: Final answer
    x = 188,328.34

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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.