Finding the Fourth Proportional to 303,537.70, 455,306.55 and 163,569.70
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Solution
The fourth proportional to 303,537.70, 455,306.55 and 163,569.70 is: 245,354.55
Step by Step Solution
- Step 1: Write the proportion equation
303,537.70 : 455,306.55 = 163,569.70 : x - Step 2: Convert to fraction form
303,537.70/455,306.55 = 163,569.70/x - Step 3: Cross multiply
303,537.70x = 455,306.55 × 163,569.70 - Step 4: Simplify right side
303,537.70x = 74,474,355,791.54 - Step 5: Solve for x
x = 74,474,355,791.54/303,537.70 - Step 6: Final answer
x = 245,354.55
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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.