Finding the Fourth Proportional to 226,174.99, 312,125.06 and 122,809.13
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Solution
The fourth proportional to 226,174.99, 312,125.06 and 122,809.13 is: 169,478.54
Step by Step Solution
- Step 1: Write the proportion equation
226,174.99 : 312,125.06 = 122,809.13 : x - Step 2: Convert to fraction form
226,174.99/312,125.06 = 122,809.13/x - Step 3: Cross multiply
226,174.99x = 312,125.06 × 122,809.13 - Step 4: Simplify right side
226,174.99x = 38,331,806,426.77 - Step 5: Solve for x
x = 38,331,806,426.77/226,174.99 - Step 6: Final answer
x = 169,478.54
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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.