Home / 249,707.80-344,558.10-142,282.36

Finding the Fourth Proportional to 249,707.80, 344,558.10 and 142,282.36

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Solution

The fourth proportional to 249,707.80, 344,558.10 and 142,282.36 is: 196,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,707.80 : 344,558.10 = 142,282.36 : x
  2. Step 2: Convert to fraction form
    249,707.80/344,558.10 = 142,282.36/x
  3. Step 3: Cross multiply
    249,707.80x = 344,558.10 × 142,282.36
  4. Step 4: Simplify right side
    249,707.80x = 49,024,539,625.12
  5. Step 5: Solve for x
    x = 49,024,539,625.12/249,707.80
  6. Step 6: Final answer
    x = 196,327.63

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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.