Finding the Fourth Proportional to 418,672.06, 577,751.34 and 227,685.68
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Solution
The fourth proportional to 418,672.06, 577,751.34 and 227,685.68 is: 314,197.48
Step by Step Solution
- Step 1: Write the proportion equation
418,672.06 : 577,751.34 = 227,685.68 : x - Step 2: Convert to fraction form
418,672.06/577,751.34 = 227,685.68/x - Step 3: Cross multiply
418,672.06x = 577,751.34 × 227,685.68 - Step 4: Simplify right side
418,672.06x = 131,545,706,718.81 - Step 5: Solve for x
x = 131,545,706,718.81/418,672.06 - Step 6: Final answer
x = 314,197.48
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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.