Finding the Fourth Proportional to 235,642.04, 353,409.80 and 67,158.75
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Solution
The fourth proportional to 235,642.04, 353,409.80 and 67,158.75 is: 100,722.95
Step by Step Solution
- Step 1: Write the proportion equation
235,642.04 : 353,409.80 = 67,158.75 : x - Step 2: Convert to fraction form
235,642.04/353,409.80 = 67,158.75/x - Step 3: Cross multiply
235,642.04x = 353,409.80 × 67,158.75 - Step 4: Simplify right side
235,642.04x = 23,734,561,395.24 - Step 5: Solve for x
x = 23,734,561,395.24/235,642.04 - Step 6: Final answer
x = 100,722.95
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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.