Finding the Fourth Proportional to 325,537.39, 489,054.45 and 229,695.19
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Solution
The fourth proportional to 325,537.39, 489,054.45 and 229,695.19 is: 345,070.82
Step by Step Solution
- Step 1: Write the proportion equation
325,537.39 : 489,054.45 = 229,695.19 : x - Step 2: Convert to fraction form
325,537.39/489,054.45 = 229,695.19/x - Step 3: Cross multiply
325,537.39x = 489,054.45 × 229,695.19 - Step 4: Simplify right side
325,537.39x = 112,333,454,813.10 - Step 5: Solve for x
x = 112,333,454,813.10/325,537.39 - Step 6: Final answer
x = 345,070.82
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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.