Finding the Fourth Proportional to 404,903.78, 558,767.21 and 235,148.84
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Solution
The fourth proportional to 404,903.78, 558,767.21 and 235,148.84 is: 324,505.39
Step by Step Solution
- Step 1: Write the proportion equation
404,903.78 : 558,767.21 = 235,148.84 : x - Step 2: Convert to fraction form
404,903.78/558,767.21 = 235,148.84/x - Step 3: Cross multiply
404,903.78x = 558,767.21 × 235,148.84 - Step 4: Simplify right side
404,903.78x = 131,393,460,085.79 - Step 5: Solve for x
x = 131,393,460,085.79/404,903.78 - Step 6: Final answer
x = 324,505.39
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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.