Finding the Fourth Proportional to 207,115.40, 310,089.90 and 201,283.40
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Solution
The fourth proportional to 207,115.40, 310,089.90 and 201,283.40 is: 301,358.32
Step by Step Solution
- Step 1: Write the proportion equation
207,115.40 : 310,089.90 = 201,283.40 : x - Step 2: Convert to fraction form
207,115.40/310,089.90 = 201,283.40/x - Step 3: Cross multiply
207,115.40x = 310,089.90 × 201,283.40 - Step 4: Simplify right side
207,115.40x = 62,415,949,377.66 - Step 5: Solve for x
x = 62,415,949,377.66/207,115.40 - Step 6: Final answer
x = 301,358.32
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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.