Finding the Fourth Proportional to 210,319.29, 290,239.13 and 114,825.99
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Solution
The fourth proportional to 210,319.29, 290,239.13 and 114,825.99 is: 158,459.05
Step by Step Solution
- Step 1: Write the proportion equation
210,319.29 : 290,239.13 = 114,825.99 : x - Step 2: Convert to fraction form
210,319.29/290,239.13 = 114,825.99/x - Step 3: Cross multiply
210,319.29x = 290,239.13 × 114,825.99 - Step 4: Simplify right side
210,319.29x = 33,326,994,864.86 - Step 5: Solve for x
x = 33,326,994,864.86/210,319.29 - Step 6: Final answer
x = 158,459.05
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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.