Finding the Fourth Proportional to 530,813.09, 796,214.76 and 215,194.97
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Solution
The fourth proportional to 530,813.09, 796,214.76 and 215,194.97 is: 322,790.47
Step by Step Solution
- Step 1: Write the proportion equation
530,813.09 : 796,214.76 = 215,194.97 : x - Step 2: Convert to fraction form
530,813.09/796,214.76 = 215,194.97/x - Step 3: Cross multiply
530,813.09x = 796,214.76 × 215,194.97 - Step 4: Simplify right side
530,813.09x = 171,341,407,410.68 - Step 5: Solve for x
x = 171,341,407,410.68/530,813.09 - Step 6: Final answer
x = 322,790.47
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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.