Finding the Fourth Proportional to 202,248.40, 302,854.20 and 149,371.60
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Solution
The fourth proportional to 202,248.40, 302,854.20 and 149,371.60 is: 223,674.53
Step by Step Solution
- Step 1: Write the proportion equation
202,248.40 : 302,854.20 = 149,371.60 : x - Step 2: Convert to fraction form
202,248.40/302,854.20 = 149,371.60/x - Step 3: Cross multiply
202,248.40x = 302,854.20 × 149,371.60 - Step 4: Simplify right side
202,248.40x = 45,237,816,420.72 - Step 5: Solve for x
x = 45,237,816,420.72/202,248.40 - Step 6: Final answer
x = 223,674.53
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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.