Finding the Fourth Proportional to 254,829.97, 351,669.36 and 140,113.59
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Solution
The fourth proportional to 254,829.97, 351,669.36 and 140,113.59 is: 193,358.95
Step by Step Solution
- Step 1: Write the proportion equation
254,829.97 : 351,669.36 = 140,113.59 : x - Step 2: Convert to fraction form
254,829.97/351,669.36 = 140,113.59/x - Step 3: Cross multiply
254,829.97x = 351,669.36 × 140,113.59 - Step 4: Simplify right side
254,829.97x = 49,273,656,522.60 - Step 5: Solve for x
x = 49,273,656,522.60/254,829.97 - Step 6: Final answer
x = 193,358.95
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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.