Finding the Fourth Proportional to 308,670.94, 463,000.74 and 98,305.84
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Solution
The fourth proportional to 308,670.94, 463,000.74 and 98,305.84 is: 147,456.95
Step by Step Solution
- Step 1: Write the proportion equation
308,670.94 : 463,000.74 = 98,305.84 : x - Step 2: Convert to fraction form
308,670.94/463,000.74 = 98,305.84/x - Step 3: Cross multiply
308,670.94x = 463,000.74 × 98,305.84 - Step 4: Simplify right side
308,670.94x = 45,515,676,666.32 - Step 5: Solve for x
x = 45,515,676,666.32/308,670.94 - Step 6: Final answer
x = 147,456.95
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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.