Finding the Fourth Proportional to 527,383.16, 791,121.36 and 148,307.12
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Solution
The fourth proportional to 527,383.16, 791,121.36 and 148,307.12 is: 222,473.79
Step by Step Solution
- Step 1: Write the proportion equation
527,383.16 : 791,121.36 = 148,307.12 : x - Step 2: Convert to fraction form
527,383.16/791,121.36 = 148,307.12/x - Step 3: Cross multiply
527,383.16x = 791,121.36 × 148,307.12 - Step 4: Simplify right side
527,383.16x = 117,328,930,472.08 - Step 5: Solve for x
x = 117,328,930,472.08/527,383.16 - Step 6: Final answer
x = 222,473.79
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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.