Finding the Fourth Proportional to 189,398.03, 261,368.96 and 104,515.02
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Solution
The fourth proportional to 189,398.03, 261,368.96 and 104,515.02 is: 144,230.55
Step by Step Solution
- Step 1: Write the proportion equation
189,398.03 : 261,368.96 = 104,515.02 : x - Step 2: Convert to fraction form
189,398.03/261,368.96 = 104,515.02/x - Step 3: Cross multiply
189,398.03x = 261,368.96 × 104,515.02 - Step 4: Simplify right side
189,398.03x = 27,316,981,559.20 - Step 5: Solve for x
x = 27,316,981,559.20/189,398.03 - Step 6: Final answer
x = 144,230.55
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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.