Finding the Fourth Proportional to 207,138.06, 310,537.80 and 107,327.16
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Solution
The fourth proportional to 207,138.06, 310,537.80 and 107,327.16 is: 160,903.02
Step by Step Solution
- Step 1: Write the proportion equation
207,138.06 : 310,537.80 = 107,327.16 : x - Step 2: Convert to fraction form
207,138.06/310,537.80 = 107,327.16/x - Step 3: Cross multiply
207,138.06x = 310,537.80 × 107,327.16 - Step 4: Simplify right side
207,138.06x = 33,329,140,146.65 - Step 5: Solve for x
x = 33,329,140,146.65/207,138.06 - Step 6: Final answer
x = 160,903.02
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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.