Finding the Fourth Proportional to 207,043.09, 310,630.26 and 73,920.40
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Solution
The fourth proportional to 207,043.09, 310,630.26 and 73,920.40 is: 110,904.03
Step by Step Solution
- Step 1: Write the proportion equation
207,043.09 : 310,630.26 = 73,920.40 : x - Step 2: Convert to fraction form
207,043.09/310,630.26 = 73,920.40/x - Step 3: Cross multiply
207,043.09x = 310,630.26 × 73,920.40 - Step 4: Simplify right side
207,043.09x = 22,961,913,071.30 - Step 5: Solve for x
x = 22,961,913,071.30/207,043.09 - Step 6: Final answer
x = 110,904.03
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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.