Finding the Fourth Proportional to 357,466.10, 536,198.90 and 91,226.70
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Solution
The fourth proportional to 357,466.10, 536,198.90 and 91,226.70 is: 136,839.99
Step by Step Solution
- Step 1: Write the proportion equation
357,466.10 : 536,198.90 = 91,226.70 : x - Step 2: Convert to fraction form
357,466.10/536,198.90 = 91,226.70/x - Step 3: Cross multiply
357,466.10x = 536,198.90 × 91,226.70 - Step 4: Simplify right side
357,466.10x = 48,915,655,734.50 - Step 5: Solve for x
x = 48,915,655,734.50/357,466.10 - Step 6: Final answer
x = 136,839.99
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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.