Finding the Fourth Proportional to 322,772.62, 484,158.12 and 98,132.08
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Solution
The fourth proportional to 322,772.62, 484,158.12 and 98,132.08 is: 147,197.87
Step by Step Solution
- Step 1: Write the proportion equation
322,772.62 : 484,158.12 = 98,132.08 : x - Step 2: Convert to fraction form
322,772.62/484,158.12 = 98,132.08/x - Step 3: Cross multiply
322,772.62x = 484,158.12 × 98,132.08 - Step 4: Simplify right side
322,772.62x = 47,511,443,364.49 - Step 5: Solve for x
x = 47,511,443,364.49/322,772.62 - Step 6: Final answer
x = 147,197.87
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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.