Finding the Fourth Proportional to 816,214.86, 1,224,320.67 and 217,175.99
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Solution
The fourth proportional to 816,214.86, 1,224,320.67 and 217,175.99 is: 325,763.55
Step by Step Solution
- Step 1: Write the proportion equation
816,214.86 : 1,224,320.67 = 217,175.99 : x - Step 2: Convert to fraction form
816,214.86/1,224,320.67 = 217,175.99/x - Step 3: Cross multiply
816,214.86x = 1,224,320.67 × 217,175.99 - Step 4: Simplify right side
816,214.86x = 265,893,047,463.11 - Step 5: Solve for x
x = 265,893,047,463.11/816,214.86 - Step 6: Final answer
x = 325,763.55
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1.5x scale
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.