Finding the Fourth Proportional to 223,714.99, 308,726.73 and 123,112.99
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Solution
The fourth proportional to 223,714.99, 308,726.73 and 123,112.99 is: 169,895.95
Step by Step Solution
- Step 1: Write the proportion equation
223,714.99 : 308,726.73 = 123,112.99 : x - Step 2: Convert to fraction form
223,714.99/308,726.73 = 123,112.99/x - Step 3: Cross multiply
223,714.99x = 308,726.73 × 123,112.99 - Step 4: Simplify right side
223,714.99x = 38,008,270,823.22 - Step 5: Solve for x
x = 38,008,270,823.22/223,714.99 - Step 6: Final answer
x = 169,895.95
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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.