Finding the Fourth Proportional to 230,034.88, 317,374.86 and 129,413.44
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Solution
The fourth proportional to 230,034.88, 317,374.86 and 129,413.44 is: 178,549.32
Step by Step Solution
- Step 1: Write the proportion equation
230,034.88 : 317,374.86 = 129,413.44 : x - Step 2: Convert to fraction form
230,034.88/317,374.86 = 129,413.44/x - Step 3: Cross multiply
230,034.88x = 317,374.86 × 129,413.44 - Step 4: Simplify right side
230,034.88x = 41,072,572,402.12 - Step 5: Solve for x
x = 41,072,572,402.12/230,034.88 - Step 6: Final answer
x = 178,549.32
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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.