Finding the Fourth Proportional to 427,965.80, 590,585.52 and 236,975.08
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Solution
The fourth proportional to 427,965.80, 590,585.52 and 236,975.08 is: 327,021.58
Step by Step Solution
- Step 1: Write the proportion equation
427,965.80 : 590,585.52 = 236,975.08 : x - Step 2: Convert to fraction form
427,965.80/590,585.52 = 236,975.08/x - Step 3: Cross multiply
427,965.80x = 590,585.52 × 236,975.08 - Step 4: Simplify right side
427,965.80x = 139,954,050,848.84 - Step 5: Solve for x
x = 139,954,050,848.84/427,965.80 - Step 6: Final answer
x = 327,021.58
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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.