Home / 249,664.83-344,512.71-142,228.46

Finding the Fourth Proportional to 249,664.83, 344,512.71 and 142,228.46

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Solution

The fourth proportional to 249,664.83, 344,512.71 and 142,228.46 is: 196,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,664.83 : 344,512.71 = 142,228.46 : x
  2. Step 2: Convert to fraction form
    249,664.83/344,512.71 = 142,228.46/x
  3. Step 3: Cross multiply
    249,664.83x = 344,512.71 × 142,228.46
  4. Step 4: Simplify right side
    249,664.83x = 48,999,510,471.16
  5. Step 5: Solve for x
    x = 48,999,510,471.16/249,664.83
  6. Step 6: Final answer
    x = 196,261.17

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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.