Finding the Fourth Proportional to 453,032.70, 680,073.99 and 243,080.70
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Solution
The fourth proportional to 453,032.70, 680,073.99 and 243,080.70 is: 364,902.71
Step by Step Solution
- Step 1: Write the proportion equation
453,032.70 : 680,073.99 = 243,080.70 : x - Step 2: Convert to fraction form
453,032.70/680,073.99 = 243,080.70/x - Step 3: Cross multiply
453,032.70x = 680,073.99 × 243,080.70 - Step 4: Simplify right side
453,032.70x = 165,312,861,540.99 - Step 5: Solve for x
x = 165,312,861,540.99/453,032.70 - Step 6: Final answer
x = 364,902.71
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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.