Finding the Fourth Proportional to 483,211.40, 724,817.10 and 202,929.80
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Solution
The fourth proportional to 483,211.40, 724,817.10 and 202,929.80 is: 304,394.70
Step by Step Solution
- Step 1: Write the proportion equation
483,211.40 : 724,817.10 = 202,929.80 : x - Step 2: Convert to fraction form
483,211.40/724,817.10 = 202,929.80/x - Step 3: Cross multiply
483,211.40x = 724,817.10 × 202,929.80 - Step 4: Simplify right side
483,211.40x = 147,086,989,139.58 - Step 5: Solve for x
x = 147,086,989,139.58/483,211.40 - Step 6: Final answer
x = 304,394.70
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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.