Finding the Fourth Proportional to 178,557.62, 246,407.27 and 97,986.11
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Solution
The fourth proportional to 178,557.62, 246,407.27 and 97,986.11 is: 135,219.59
Step by Step Solution
- Step 1: Write the proportion equation
178,557.62 : 246,407.27 = 97,986.11 : x - Step 2: Convert to fraction form
178,557.62/246,407.27 = 97,986.11/x - Step 3: Cross multiply
178,557.62x = 246,407.27 × 97,986.11 - Step 4: Simplify right side
178,557.62x = 24,144,488,141.05 - Step 5: Solve for x
x = 24,144,488,141.05/178,557.62 - Step 6: Final answer
x = 135,219.59
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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.