Finding the Fourth Proportional to 112,254.84, 154,911.67 and 83,599.09
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Solution
The fourth proportional to 112,254.84, 154,911.67 and 83,599.09 is: 115,366.73
Step by Step Solution
- Step 1: Write the proportion equation
112,254.84 : 154,911.67 = 83,599.09 : x - Step 2: Convert to fraction form
112,254.84/154,911.67 = 83,599.09/x - Step 3: Cross multiply
112,254.84x = 154,911.67 × 83,599.09 - Step 4: Simplify right side
112,254.84x = 12,950,474,046.10 - Step 5: Solve for x
x = 12,950,474,046.10/112,254.84 - Step 6: Final answer
x = 115,366.73
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1.5x scale
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.