Finding the Fourth Proportional to 489,193.70, 675,094.16 and 295,574.40
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Solution
The fourth proportional to 489,193.70, 675,094.16 and 295,574.40 is: 407,896.82
Step by Step Solution
- Step 1: Write the proportion equation
489,193.70 : 675,094.16 = 295,574.40 : x - Step 2: Convert to fraction form
489,193.70/675,094.16 = 295,574.40/x - Step 3: Cross multiply
489,193.70x = 675,094.16 × 295,574.40 - Step 4: Simplify right side
489,193.70x = 199,540,552,024.44 - Step 5: Solve for x
x = 199,540,552,024.44/489,193.70 - Step 6: Final answer
x = 407,896.82
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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.