Finding the Fourth Proportional to 427,270.05, 589,636.53 and 236,286.63
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Solution
The fourth proportional to 427,270.05, 589,636.53 and 236,286.63 is: 326,077.68
Step by Step Solution
- Step 1: Write the proportion equation
427,270.05 : 589,636.53 = 236,286.63 : x - Step 2: Convert to fraction form
427,270.05/589,636.53 = 236,286.63/x - Step 3: Cross multiply
427,270.05x = 589,636.53 × 236,286.63 - Step 4: Simplify right side
427,270.05x = 139,323,228,598.59 - Step 5: Solve for x
x = 139,323,228,598.59/427,270.05 - Step 6: Final answer
x = 326,077.68
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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.