Finding the Fourth Proportional to 156,940.58, 216,597.93 and 88,968.62
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Solution
The fourth proportional to 156,940.58, 216,597.93 and 88,968.62 is: 122,787.99
Step by Step Solution
- Step 1: Write the proportion equation
156,940.58 : 216,597.93 = 88,968.62 : x - Step 2: Convert to fraction form
156,940.58/216,597.93 = 88,968.62/x - Step 3: Cross multiply
156,940.58x = 216,597.93 × 88,968.62 - Step 4: Simplify right side
156,940.58x = 19,270,418,926.96 - Step 5: Solve for x
x = 19,270,418,926.96/156,940.58 - Step 6: Final answer
x = 122,787.99
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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.