Finding the Fourth Proportional to 146,318.98, 201,941.66 and 85,922.71
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Solution
The fourth proportional to 146,318.98, 201,941.66 and 85,922.71 is: 118,585.95
Step by Step Solution
- Step 1: Write the proportion equation
146,318.98 : 201,941.66 = 85,922.71 : x - Step 2: Convert to fraction form
146,318.98/201,941.66 = 85,922.71/x - Step 3: Cross multiply
146,318.98x = 201,941.66 × 85,922.71 - Step 4: Simplify right side
146,318.98x = 17,351,374,689.10 - Step 5: Solve for x
x = 17,351,374,689.10/146,318.98 - Step 6: Final answer
x = 118,585.95
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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.