Finding the Fourth Proportional to 202,569.80, 303,854.70 and 201,257.60
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Solution
The fourth proportional to 202,569.80, 303,854.70 and 201,257.60 is: 301,886.40
Step by Step Solution
- Step 1: Write the proportion equation
202,569.80 : 303,854.70 = 201,257.60 : x - Step 2: Convert to fraction form
202,569.80/303,854.70 = 201,257.60/x - Step 3: Cross multiply
202,569.80x = 303,854.70 × 201,257.60 - Step 4: Simplify right side
202,569.80x = 61,153,067,670.72 - Step 5: Solve for x
x = 61,153,067,670.72/202,569.80 - Step 6: Final answer
x = 301,886.40
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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.