Finding the Fourth Proportional to 308,024.70, 461,927.70 and 213,254.70
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Solution
The fourth proportional to 308,024.70, 461,927.70 and 213,254.70 is: 319,806.34
Step by Step Solution
- Step 1: Write the proportion equation
308,024.70 : 461,927.70 = 213,254.70 : x - Step 2: Convert to fraction form
308,024.70/461,927.70 = 213,254.70/x - Step 3: Cross multiply
308,024.70x = 461,927.70 × 213,254.70 - Step 4: Simplify right side
308,024.70x = 98,508,253,085.19 - Step 5: Solve for x
x = 98,508,253,085.19/308,024.70 - Step 6: Final answer
x = 319,806.34
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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.