Finding the Fourth Proportional to 567,860.16, 851,790.72 and 318,717.12
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Solution
The fourth proportional to 567,860.16, 851,790.72 and 318,717.12 is: 478,075.95
Step by Step Solution
- Step 1: Write the proportion equation
567,860.16 : 851,790.72 = 318,717.12 : x - Step 2: Convert to fraction form
567,860.16/851,790.72 = 318,717.12/x - Step 3: Cross multiply
567,860.16x = 851,790.72 × 318,717.12 - Step 4: Simplify right side
567,860.16x = 271,480,285,121.13 - Step 5: Solve for x
x = 271,480,285,121.13/567,860.16 - Step 6: Final answer
x = 478,075.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.