Finding the Fourth Proportional to 242,485.23, 363,728.52 and 84,713.68
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Solution
The fourth proportional to 242,485.23, 363,728.52 and 84,713.68 is: 127,070.75
Step by Step Solution
- Step 1: Write the proportion equation
242,485.23 : 363,728.52 = 84,713.68 : x - Step 2: Convert to fraction form
242,485.23/363,728.52 = 84,713.68/x - Step 3: Cross multiply
242,485.23x = 363,728.52 × 84,713.68 - Step 4: Simplify right side
242,485.23x = 30,812,779,207.94 - Step 5: Solve for x
x = 30,812,779,207.94/242,485.23 - Step 6: Final answer
x = 127,070.75
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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.