Finding the Fourth Proportional to 352,420.67, 486,340.98 and 191,275.70
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Solution
The fourth proportional to 352,420.67, 486,340.98 and 191,275.70 is: 263,960.71
Step by Step Solution
- Step 1: Write the proportion equation
352,420.67 : 486,340.98 = 191,275.70 : x - Step 2: Convert to fraction form
352,420.67/486,340.98 = 191,275.70/x - Step 3: Cross multiply
352,420.67x = 486,340.98 × 191,275.70 - Step 4: Simplify right side
352,420.67x = 93,025,211,388.19 - Step 5: Solve for x
x = 93,025,211,388.19/352,420.67 - Step 6: Final answer
x = 263,960.71
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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.