Finding the Fourth Proportional to 352,436.01, 486,360.48 and 191,291.05
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Solution
The fourth proportional to 352,436.01, 486,360.48 and 191,291.05 is: 263,980.99
Step by Step Solution
- Step 1: Write the proportion equation
352,436.01 : 486,360.48 = 191,291.05 : x - Step 2: Convert to fraction form
352,436.01/486,360.48 = 191,291.05/x - Step 3: Cross multiply
352,436.01x = 486,360.48 × 191,291.05 - Step 4: Simplify right side
352,436.01x = 93,036,406,897.70 - Step 5: Solve for x
x = 93,036,406,897.70/352,436.01 - Step 6: Final answer
x = 263,980.99
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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.