Finding the Fourth Proportional to 148,529.99, 204,971.45 and 80,546.95
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Solution
The fourth proportional to 148,529.99, 204,971.45 and 80,546.95 is: 111,154.82
Step by Step Solution
- Step 1: Write the proportion equation
148,529.99 : 204,971.45 = 80,546.95 : x - Step 2: Convert to fraction form
148,529.99/204,971.45 = 80,546.95/x - Step 3: Cross multiply
148,529.99x = 204,971.45 × 80,546.95 - Step 4: Simplify right side
148,529.99x = 16,509,824,219.41 - Step 5: Solve for x
x = 16,509,824,219.41/148,529.99 - Step 6: Final answer
x = 111,154.82
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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.