Finding the Fourth Proportional to 153,244.67, 211,357.80 and 99,546.99
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Solution
The fourth proportional to 153,244.67, 211,357.80 and 99,546.99 is: 137,297.00
Step by Step Solution
- Step 1: Write the proportion equation
153,244.67 : 211,357.80 = 99,546.99 : x - Step 2: Convert to fraction form
153,244.67/211,357.80 = 99,546.99/x - Step 3: Cross multiply
153,244.67x = 211,357.80 × 99,546.99 - Step 4: Simplify right side
153,244.67x = 21,040,032,803.02 - Step 5: Solve for x
x = 21,040,032,803.02/153,244.67 - Step 6: Final answer
x = 137,297.00
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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.