Finding the Fourth Proportional to 207,330.06, 310,995.08 and 102,354.06
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Solution
The fourth proportional to 207,330.06, 310,995.08 and 102,354.06 is: 153,531.09
Step by Step Solution
- Step 1: Write the proportion equation
207,330.06 : 310,995.08 = 102,354.06 : x - Step 2: Convert to fraction form
207,330.06/310,995.08 = 102,354.06/x - Step 3: Cross multiply
207,330.06x = 310,995.08 × 102,354.06 - Step 4: Simplify right side
207,330.06x = 31,831,609,078.02 - Step 5: Solve for x
x = 31,831,609,078.02/207,330.06 - Step 6: Final answer
x = 153,531.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.