Finding the Fourth Proportional to 180,738.84, 271,182.68 and 79,484.84
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Solution
The fourth proportional to 180,738.84, 271,182.68 and 79,484.84 is: 119,259.99
Step by Step Solution
- Step 1: Write the proportion equation
180,738.84 : 271,182.68 = 79,484.84 : x - Step 2: Convert to fraction form
180,738.84/271,182.68 = 79,484.84/x - Step 3: Cross multiply
180,738.84x = 271,182.68 × 79,484.84 - Step 4: Simplify right side
180,738.84x = 21,554,911,930.57 - Step 5: Solve for x
x = 21,554,911,930.57/180,738.84 - Step 6: Final answer
x = 119,259.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.