Finding the Fourth Proportional to 210,715.98, 290,764.17 and 124,677.60
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Solution
The fourth proportional to 210,715.98, 290,764.17 and 124,677.60 is: 172,040.96
Step by Step Solution
- Step 1: Write the proportion equation
210,715.98 : 290,764.17 = 124,677.60 : x - Step 2: Convert to fraction form
210,715.98/290,764.17 = 124,677.60/x - Step 3: Cross multiply
210,715.98x = 290,764.17 × 124,677.60 - Step 4: Simplify right side
210,715.98x = 36,251,778,881.59 - Step 5: Solve for x
x = 36,251,778,881.59/210,715.98 - Step 6: Final answer
x = 172,040.96
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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.