Finding the Fourth Proportional to 201,072.70, 301,587.45 and 53,328.70
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Solution
The fourth proportional to 201,072.70, 301,587.45 and 53,328.70 is: 79,987.32
Step by Step Solution
- Step 1: Write the proportion equation
201,072.70 : 301,587.45 = 53,328.70 : x - Step 2: Convert to fraction form
201,072.70/301,587.45 = 53,328.70/x - Step 3: Cross multiply
201,072.70x = 301,587.45 × 53,328.70 - Step 4: Simplify right side
201,072.70x = 16,083,266,644.82 - Step 5: Solve for x
x = 16,083,266,644.82/201,072.70 - Step 6: Final answer
x = 79,987.32
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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.