Finding the Fourth Proportional to 286,552.93, 429,716.80 and 96,961.09
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Solution
The fourth proportional to 286,552.93, 429,716.80 and 96,961.09 is: 145,403.53
Step by Step Solution
- Step 1: Write the proportion equation
286,552.93 : 429,716.80 = 96,961.09 : x - Step 2: Convert to fraction form
286,552.93/429,716.80 = 96,961.09/x - Step 3: Cross multiply
286,552.93x = 429,716.80 × 96,961.09 - Step 4: Simplify right side
286,552.93x = 41,665,808,002.62 - Step 5: Solve for x
x = 41,665,808,002.62/286,552.93 - Step 6: Final answer
x = 145,403.53
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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.