Home / 249,497.12-344,311.20-136,327.36

Finding the Fourth Proportional to 249,497.12, 344,311.20 and 136,327.36

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Solution

The fourth proportional to 249,497.12, 344,311.20 and 136,327.36 is: 188,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,497.12 : 344,311.20 = 136,327.36 : x
  2. Step 2: Convert to fraction form
    249,497.12/344,311.20 = 136,327.36/x
  3. Step 3: Cross multiply
    249,497.12x = 344,311.20 × 136,327.36
  4. Step 4: Simplify right side
    249,497.12x = 46,939,036,914.43
  5. Step 5: Solve for x
    x = 46,939,036,914.43/249,497.12
  6. Step 6: Final answer
    x = 188,134.58

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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.