Finding the Fourth Proportional to 297,854.58, 411,043.49 and 161,888.49
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Solution
The fourth proportional to 297,854.58, 411,043.49 and 161,888.49 is: 223,408.37
Step by Step Solution
- Step 1: Write the proportion equation
297,854.58 : 411,043.49 = 161,888.49 : x - Step 2: Convert to fraction form
297,854.58/411,043.49 = 161,888.49/x - Step 3: Cross multiply
297,854.58x = 411,043.49 × 161,888.49 - Step 4: Simplify right side
297,854.58x = 66,543,207,569.57 - Step 5: Solve for x
x = 66,543,207,569.57/297,854.58 - Step 6: Final answer
x = 223,408.37
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1.5x scale
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.