Finding the Fourth Proportional to 198,666.95, 297,312.99 and 122,734.31
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Solution
The fourth proportional to 198,666.95, 297,312.99 and 122,734.31 is: 183,676.78
Step by Step Solution
- Step 1: Write the proportion equation
198,666.95 : 297,312.99 = 122,734.31 : x - Step 2: Convert to fraction form
198,666.95/297,312.99 = 122,734.31/x - Step 3: Cross multiply
198,666.95x = 297,312.99 × 122,734.31 - Step 4: Simplify right side
198,666.95x = 36,490,504,681.69 - Step 5: Solve for x
x = 36,490,504,681.69/198,666.95 - Step 6: Final answer
x = 183,676.78
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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.