Finding the Fourth Proportional to 207,118.40, 310,094.40 and 201,286.40
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Solution
The fourth proportional to 207,118.40, 310,094.40 and 201,286.40 is: 301,362.82
Step by Step Solution
- Step 1: Write the proportion equation
207,118.40 : 310,094.40 = 201,286.40 : x - Step 2: Convert to fraction form
207,118.40/310,094.40 = 201,286.40/x - Step 3: Cross multiply
207,118.40x = 310,094.40 × 201,286.40 - Step 4: Simplify right side
207,118.40x = 62,417,785,436.16 - Step 5: Solve for x
x = 62,417,785,436.16/207,118.40 - Step 6: Final answer
x = 301,362.82
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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.