Finding the Fourth Proportional to 201,101.70, 301,630.95 and 53,357.70
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Solution
The fourth proportional to 201,101.70, 301,630.95 and 53,357.70 is: 80,030.82
Step by Step Solution
- Step 1: Write the proportion equation
201,101.70 : 301,630.95 = 53,357.70 : x - Step 2: Convert to fraction form
201,101.70/301,630.95 = 53,357.70/x - Step 3: Cross multiply
201,101.70x = 301,630.95 × 53,357.70 - Step 4: Simplify right side
201,101.70x = 16,094,333,740.82 - Step 5: Solve for x
x = 16,094,333,740.82/201,101.70 - Step 6: Final answer
x = 80,030.82
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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.