Finding the Fourth Proportional to 148,530.03, 204,971.48 and 80,546.99
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Solution
The fourth proportional to 148,530.03, 204,971.48 and 80,546.99 is: 111,154.86
Step by Step Solution
- Step 1: Write the proportion equation
148,530.03 : 204,971.48 = 80,546.99 : x - Step 2: Convert to fraction form
148,530.03/204,971.48 = 80,546.99/x - Step 3: Cross multiply
148,530.03x = 204,971.48 × 80,546.99 - Step 4: Simplify right side
148,530.03x = 16,509,834,322.25 - Step 5: Solve for x
x = 16,509,834,322.25/148,530.03 - Step 6: Final answer
x = 111,154.86
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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.