Finding the Fourth Proportional to 842,878.80, 1,264,299.98 and 235,650.96
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Solution
The fourth proportional to 842,878.80, 1,264,299.98 and 235,650.96 is: 353,471.35
Step by Step Solution
- Step 1: Write the proportion equation
842,878.80 : 1,264,299.98 = 235,650.96 : x - Step 2: Convert to fraction form
842,878.80/1,264,299.98 = 235,650.96/x - Step 3: Cross multiply
842,878.80x = 1,264,299.98 × 235,650.96 - Step 4: Simplify right side
842,878.80x = 297,933,504,014.98 - Step 5: Solve for x
x = 297,933,504,014.98/842,878.80 - Step 6: Final answer
x = 353,471.35
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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.