Finding the Fourth Proportional to 148,604.14, 205,073.69 and 84,943.31
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Solution
The fourth proportional to 148,604.14, 205,073.69 and 84,943.31 is: 117,221.75
Step by Step Solution
- Step 1: Write the proportion equation
148,604.14 : 205,073.69 = 84,943.31 : x - Step 2: Convert to fraction form
148,604.14/205,073.69 = 84,943.31/x - Step 3: Cross multiply
148,604.14x = 205,073.69 × 84,943.31 - Step 4: Simplify right side
148,604.14x = 17,419,637,465.85 - Step 5: Solve for x
x = 17,419,637,465.85/148,604.14 - Step 6: Final answer
x = 117,221.75
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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.