Finding the Fourth Proportional to 357,227.11, 537,979.09 and 325,340.65
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Solution
The fourth proportional to 357,227.11, 537,979.09 and 325,340.65 is: 489,958.52
Step by Step Solution
- Step 1: Write the proportion equation
357,227.11 : 537,979.09 = 325,340.65 : x - Step 2: Convert to fraction form
357,227.11/537,979.09 = 325,340.65/x - Step 3: Cross multiply
357,227.11x = 537,979.09 × 325,340.65 - Step 4: Simplify right side
357,227.11x = 175,026,468,211.17 - Step 5: Solve for x
x = 175,026,468,211.17/357,227.11 - Step 6: Final answer
x = 489,958.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.