Finding the Fourth Proportional to 453,138.80, 680,233.35 and 243,186.80
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Solution
The fourth proportional to 453,138.80, 680,233.35 and 243,186.80 is: 365,062.03
Step by Step Solution
- Step 1: Write the proportion equation
453,138.80 : 680,233.35 = 243,186.80 : x - Step 2: Convert to fraction form
453,138.80/680,233.35 = 243,186.80/x - Step 3: Cross multiply
453,138.80x = 680,233.35 × 243,186.80 - Step 4: Simplify right side
453,138.80x = 165,423,771,639.78 - Step 5: Solve for x
x = 165,423,771,639.78/453,138.80 - Step 6: Final answer
x = 365,062.03
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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.