Finding the Fourth Proportional to 234,359.13, 323,413.99 and 126,926.71
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Solution
The fourth proportional to 234,359.13, 323,413.99 and 126,926.71 is: 175,157.99
Step by Step Solution
- Step 1: Write the proportion equation
234,359.13 : 323,413.99 = 126,926.71 : x - Step 2: Convert to fraction form
234,359.13/323,413.99 = 126,926.71/x - Step 3: Cross multiply
234,359.13x = 323,413.99 × 126,926.71 - Step 4: Simplify right side
234,359.13x = 41,049,873,718.67 - Step 5: Solve for x
x = 41,049,873,718.67/234,359.13 - Step 6: Final answer
x = 175,157.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.