Finding the Fourth Proportional to 453,706.68, 680,508.16 and 121,308.60
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Solution
The fourth proportional to 453,706.68, 680,508.16 and 121,308.60 is: 181,949.03
Step by Step Solution
- Step 1: Write the proportion equation
453,706.68 : 680,508.16 = 121,308.60 : x - Step 2: Convert to fraction form
453,706.68/680,508.16 = 121,308.60/x - Step 3: Cross multiply
453,706.68x = 680,508.16 × 121,308.60 - Step 4: Simplify right side
453,706.68x = 82,551,492,178.18 - Step 5: Solve for x
x = 82,551,492,178.18/453,706.68 - Step 6: Final answer
x = 181,949.03
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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.