Finding the Fourth Proportional to 290,062.96, 399,541.08 and 205,033.84
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Solution
The fourth proportional to 290,062.96, 399,541.08 and 205,033.84 is: 282,419.52
Step by Step Solution
- Step 1: Write the proportion equation
290,062.96 : 399,541.08 = 205,033.84 : x - Step 2: Convert to fraction form
290,062.96/399,541.08 = 205,033.84/x - Step 3: Cross multiply
290,062.96x = 399,541.08 × 205,033.84 - Step 4: Simplify right side
290,062.96x = 81,919,441,870.15 - Step 5: Solve for x
x = 81,919,441,870.15/290,062.96 - Step 6: Final answer
x = 282,419.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.