Finding the Fourth Proportional to 286,427.11, 429,523.62 and 124,331.53
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Solution
The fourth proportional to 286,427.11, 429,523.62 and 124,331.53 is: 186,446.49
Step by Step Solution
- Step 1: Write the proportion equation
286,427.11 : 429,523.62 = 124,331.53 : x - Step 2: Convert to fraction form
286,427.11/429,523.62 = 124,331.53/x - Step 3: Cross multiply
286,427.11x = 429,523.62 × 124,331.53 - Step 4: Simplify right side
286,427.11x = 53,403,328,845.74 - Step 5: Solve for x
x = 53,403,328,845.74/286,427.11 - Step 6: Final answer
x = 186,446.49
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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.