Finding the Fourth Proportional to 247,348.62, 341,342.91 and 134,172.18
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Solution
The fourth proportional to 247,348.62, 341,342.91 and 134,172.18 is: 185,158.59
Step by Step Solution
- Step 1: Write the proportion equation
247,348.62 : 341,342.91 = 134,172.18 : x - Step 2: Convert to fraction form
247,348.62/341,342.91 = 134,172.18/x - Step 3: Cross multiply
247,348.62x = 341,342.91 × 134,172.18 - Step 4: Simplify right side
247,348.62x = 45,798,722,362.24 - Step 5: Solve for x
x = 45,798,722,362.24/247,348.62 - Step 6: Final answer
x = 185,158.59
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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.