Finding the Fourth Proportional to 201,865.80, 302,798.70 and 148,721.70
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Solution
The fourth proportional to 201,865.80, 302,798.70 and 148,721.70 is: 223,082.55
Step by Step Solution
- Step 1: Write the proportion equation
201,865.80 : 302,798.70 = 148,721.70 : x - Step 2: Convert to fraction form
201,865.80/302,798.70 = 148,721.70/x - Step 3: Cross multiply
201,865.80x = 302,798.70 × 148,721.70 - Step 4: Simplify right side
201,865.80x = 45,032,737,421.79 - Step 5: Solve for x
x = 45,032,737,421.79/201,865.80 - Step 6: Final answer
x = 223,082.55
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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.