Finding the Fourth Proportional to 383,567.49, 529,128.59 and 292,765.82
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Solution
The fourth proportional to 383,567.49, 529,128.59 and 292,765.82 is: 403,868.33
Step by Step Solution
- Step 1: Write the proportion equation
383,567.49 : 529,128.59 = 292,765.82 : x - Step 2: Convert to fraction form
383,567.49/529,128.59 = 292,765.82/x - Step 3: Cross multiply
383,567.49x = 529,128.59 × 292,765.82 - Step 4: Simplify right side
383,567.49x = 154,910,761,427.32 - Step 5: Solve for x
x = 154,910,761,427.32/383,567.49 - Step 6: Final answer
x = 403,868.33
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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.