Finding the Fourth Proportional to 148,315.08, 204,674.94 and 81,247.08
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Solution
The fourth proportional to 148,315.08, 204,674.94 and 81,247.08 is: 112,121.04
Step by Step Solution
- Step 1: Write the proportion equation
148,315.08 : 204,674.94 = 81,247.08 : x - Step 2: Convert to fraction form
148,315.08/204,674.94 = 81,247.08/x - Step 3: Cross multiply
148,315.08x = 204,674.94 × 81,247.08 - Step 4: Simplify right side
148,315.08x = 16,629,241,224.18 - Step 5: Solve for x
x = 16,629,241,224.18/148,315.08 - Step 6: Final answer
x = 112,121.04
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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.