Finding the Fourth Proportional to 264,640.68, 365,204.76 and 143,780.88
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Solution
The fourth proportional to 264,640.68, 365,204.76 and 143,780.88 is: 198,417.95
Step by Step Solution
- Step 1: Write the proportion equation
264,640.68 : 365,204.76 = 143,780.88 : x - Step 2: Convert to fraction form
264,640.68/365,204.76 = 143,780.88/x - Step 3: Cross multiply
264,640.68x = 365,204.76 × 143,780.88 - Step 4: Simplify right side
264,640.68x = 52,509,461,772.99 - Step 5: Solve for x
x = 52,509,461,772.99/264,640.68 - Step 6: Final answer
x = 198,417.95
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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.