Finding the Fourth Proportional to 816,104.25, 1,224,154.80 and 217,066.05
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Solution
The fourth proportional to 816,104.25, 1,224,154.80 and 217,066.05 is: 325,598.66
Step by Step Solution
- Step 1: Write the proportion equation
816,104.25 : 1,224,154.80 = 217,066.05 : x - Step 2: Convert to fraction form
816,104.25/1,224,154.80 = 217,066.05/x - Step 3: Cross multiply
816,104.25x = 1,224,154.80 × 217,066.05 - Step 4: Simplify right side
816,104.25x = 265,722,447,024.54 - Step 5: Solve for x
x = 265,722,447,024.54/816,104.25 - Step 6: Final answer
x = 325,598.66
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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.