Finding the Fourth Proportional to 223,531.99, 308,468.00 and 122,929.99
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Solution
The fourth proportional to 223,531.99, 308,468.00 and 122,929.99 is: 169,640.00
Step by Step Solution
- Step 1: Write the proportion equation
223,531.99 : 308,468.00 = 122,929.99 : x - Step 2: Convert to fraction form
223,531.99/308,468.00 = 122,929.99/x - Step 3: Cross multiply
223,531.99x = 308,468.00 × 122,929.99 - Step 4: Simplify right side
223,531.99x = 37,919,967,540.67 - Step 5: Solve for x
x = 37,919,967,540.67/223,531.99 - Step 6: Final answer
x = 169,640.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.