Finding the Fourth Proportional to 181,830.99, 272,673.57 and 106,970.79
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Solution
The fourth proportional to 181,830.99, 272,673.57 and 106,970.79 is: 160,413.29
Step by Step Solution
- Step 1: Write the proportion equation
181,830.99 : 272,673.57 = 106,970.79 : x - Step 2: Convert to fraction form
181,830.99/272,673.57 = 106,970.79/x - Step 3: Cross multiply
181,830.99x = 272,673.57 × 106,970.79 - Step 4: Simplify right side
181,830.99x = 29,168,107,195.02 - Step 5: Solve for x
x = 29,168,107,195.02/181,830.99 - Step 6: Final answer
x = 160,413.29
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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.