Finding the Fourth Proportional to 304,485,435.36, 420,190,306.24 and 165,256,197.12
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Solution
The fourth proportional to 304,485,435.36, 420,190,306.24 and 165,256,197.12 is: 228,053,772.08
Step by Step Solution
- Step 1: Write the proportion equation
304,485,435.36 : 420,190,306.24 = 165,256,197.12 : x - Step 2: Convert to fraction form
304,485,435.36/420,190,306.24 = 165,256,197.12/x - Step 3: Cross multiply
304,485,435.36x = 420,190,306.24 × 165,256,197.12 - Step 4: Simplify right side
304,485,435.36x = 69,439,052,075,910,608 - Step 5: Solve for x
x = 69,439,052,075,910,608/304,485,435.36 - Step 6: Final answer
x = 228,053,772.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.