Finding the Fourth Proportional to 531,195.68, 796,727.20 and 215,349.12
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Solution
The fourth proportional to 531,195.68, 796,727.20 and 215,349.12 is: 322,996.79
Step by Step Solution
- Step 1: Write the proportion equation
531,195.68 : 796,727.20 = 215,349.12 : x - Step 2: Convert to fraction form
531,195.68/796,727.20 = 215,349.12/x - Step 3: Cross multiply
531,195.68x = 796,727.20 × 215,349.12 - Step 4: Simplify right side
531,195.68x = 171,574,501,400.06 - Step 5: Solve for x
x = 171,574,501,400.06/531,195.68 - Step 6: Final answer
x = 322,996.79
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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.