Finding the Fourth Proportional to 131,467.72, 197,376.74 and 88,916.08
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Solution
The fourth proportional to 131,467.72, 197,376.74 and 88,916.08 is: 133,492.59
Step by Step Solution
- Step 1: Write the proportion equation
131,467.72 : 197,376.74 = 88,916.08 : x - Step 2: Convert to fraction form
131,467.72/197,376.74 = 88,916.08/x - Step 3: Cross multiply
131,467.72x = 197,376.74 × 88,916.08 - Step 4: Simplify right side
131,467.72x = 17,549,966,003.98 - Step 5: Solve for x
x = 17,549,966,003.98/131,467.72 - Step 6: Final answer
x = 133,492.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.