Finding the Fourth Proportional to 396,970.93, 595,455.47 and 172,302.23
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Solution
The fourth proportional to 396,970.93, 595,455.47 and 172,302.23 is: 258,452.94
Step by Step Solution
- Step 1: Write the proportion equation
396,970.93 : 595,455.47 = 172,302.23 : x - Step 2: Convert to fraction form
396,970.93/595,455.47 = 172,302.23/x - Step 3: Cross multiply
396,970.93x = 595,455.47 × 172,302.23 - Step 4: Simplify right side
396,970.93x = 102,598,304,485.19 - Step 5: Solve for x
x = 102,598,304,485.19/396,970.93 - Step 6: Final answer
x = 258,452.94
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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.