Finding the Fourth Proportional to 135,479.52, 203,345.36 and 68,969.44
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Solution
The fourth proportional to 135,479.52, 203,345.36 and 68,969.44 is: 103,518.34
Step by Step Solution
- Step 1: Write the proportion equation
135,479.52 : 203,345.36 = 68,969.44 : x - Step 2: Convert to fraction form
135,479.52/203,345.36 = 68,969.44/x - Step 3: Cross multiply
135,479.52x = 203,345.36 × 68,969.44 - Step 4: Simplify right side
135,479.52x = 14,024,614,589.07 - Step 5: Solve for x
x = 14,024,614,589.07/135,479.52 - Step 6: Final answer
x = 103,518.34
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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.