Finding the Fourth Proportional to 769,319.44, 1,154,014.80 and 236,864.32
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Solution
The fourth proportional to 769,319.44, 1,154,014.80 and 236,864.32 is: 355,307.45
Step by Step Solution
- Step 1: Write the proportion equation
769,319.44 : 1,154,014.80 = 236,864.32 : x - Step 2: Convert to fraction form
769,319.44/1,154,014.80 = 236,864.32/x - Step 3: Cross multiply
769,319.44x = 1,154,014.80 × 236,864.32 - Step 4: Simplify right side
769,319.44x = 273,344,930,871.94 - Step 5: Solve for x
x = 273,344,930,871.94/769,319.44 - Step 6: Final answer
x = 355,307.45
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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.