Finding the Fourth Proportional to 532,745.18, 735,179.09 and 291,021.54
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Solution
The fourth proportional to 532,745.18, 735,179.09 and 291,021.54 is: 401,604.66
Step by Step Solution
- Step 1: Write the proportion equation
532,745.18 : 735,179.09 = 291,021.54 : x - Step 2: Convert to fraction form
532,745.18/735,179.09 = 291,021.54/x - Step 3: Cross multiply
532,745.18x = 735,179.09 × 291,021.54 - Step 4: Simplify right side
532,745.18x = 213,952,950,870.95 - Step 5: Solve for x
x = 213,952,950,870.95/532,745.18 - Step 6: Final answer
x = 401,604.66
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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.