Finding the Fourth Proportional to 227,921.06, 314,531.08 and 127,319.06
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Solution
The fourth proportional to 227,921.06, 314,531.08 and 127,319.06 is: 175,700.31
Step by Step Solution
- Step 1: Write the proportion equation
227,921.06 : 314,531.08 = 127,319.06 : x - Step 2: Convert to fraction form
227,921.06/314,531.08 = 127,319.06/x - Step 3: Cross multiply
227,921.06x = 314,531.08 × 127,319.06 - Step 4: Simplify right side
227,921.06x = 40,045,801,914.41 - Step 5: Solve for x
x = 40,045,801,914.41/227,921.06 - Step 6: Final answer
x = 175,700.31
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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.