Finding the Fourth Proportional to 423,961.80, 584,939.70 and 254,133.96
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Solution
The fourth proportional to 423,961.80, 584,939.70 and 254,133.96 is: 350,628.39
Step by Step Solution
- Step 1: Write the proportion equation
423,961.80 : 584,939.70 = 254,133.96 : x - Step 2: Convert to fraction form
423,961.80/584,939.70 = 254,133.96/x - Step 3: Cross multiply
423,961.80x = 584,939.70 × 254,133.96 - Step 4: Simplify right side
423,961.80x = 148,653,042,322.21 - Step 5: Solve for x
x = 148,653,042,322.21/423,961.80 - Step 6: Final answer
x = 350,628.39
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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.