Home / 249,396.76-343,921.71-153,883.18

Finding the Fourth Proportional to 249,396.76, 343,921.71 and 153,883.18

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Solution

The fourth proportional to 249,396.76, 343,921.71 and 153,883.18 is: 212,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,396.76 : 343,921.71 = 153,883.18 : x
  2. Step 2: Convert to fraction form
    249,396.76/343,921.71 = 153,883.18/x
  3. Step 3: Cross multiply
    249,396.76x = 343,921.71 × 153,883.18
  4. Step 4: Simplify right side
    249,396.76x = 52,923,766,405.84
  5. Step 5: Solve for x
    x = 52,923,766,405.84/249,396.76
  6. Step 6: Final answer
    x = 212,207.11

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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.