Home / 249,939.72-344,915.38-135,218

Finding the Fourth Proportional to 249,939.72, 344,915.38 and 135,218

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Solution

The fourth proportional to 249,939.72, 344,915.38 and 135,218 is: 186,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,939.72 : 344,915.38 = 135,218 : x
  2. Step 2: Convert to fraction form
    249,939.72/344,915.38 = 135,218/x
  3. Step 3: Cross multiply
    249,939.72x = 344,915.38 × 135,218
  4. Step 4: Simplify right side
    249,939.72x = 46,638,767,852.84
  5. Step 5: Solve for x
    x = 46,638,767,852.84/249,939.72
  6. Step 6: Final answer
    x = 186,600.06

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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.