Finding the Fourth Proportional to 149,735.70, 206,652.93 and 86,076.18
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Solution
The fourth proportional to 149,735.70, 206,652.93 and 86,076.18 is: 118,795.28
Step by Step Solution
- Step 1: Write the proportion equation
149,735.70 : 206,652.93 = 86,076.18 : x - Step 2: Convert to fraction form
149,735.70/206,652.93 = 86,076.18/x - Step 3: Cross multiply
149,735.70x = 206,652.93 × 86,076.18 - Step 4: Simplify right side
149,735.70x = 17,787,894,800.21 - Step 5: Solve for x
x = 17,787,894,800.21/149,735.70 - Step 6: Final answer
x = 118,795.28
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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.