Home / 249,256.80-343,971.96-153,725.28

Finding the Fourth Proportional to 249,256.80, 343,971.96 and 153,725.28

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Solution

The fourth proportional to 249,256.80, 343,971.96 and 153,725.28 is: 212,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,256.80 : 343,971.96 = 153,725.28 : x
  2. Step 2: Convert to fraction form
    249,256.80/343,971.96 = 153,725.28/x
  3. Step 3: Cross multiply
    249,256.80x = 343,971.96 × 153,725.28
  4. Step 4: Simplify right side
    249,256.80x = 52,877,185,863.15
  5. Step 5: Solve for x
    x = 52,877,185,863.15/249,256.80
  6. Step 6: Final answer
    x = 212,139.39

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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.