Finding the Fourth Proportional to 447,297.12, 670,715.84 and 131,713.02
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Solution
The fourth proportional to 447,297.12, 670,715.84 and 131,713.02 is: 197,501.85
Step by Step Solution
- Step 1: Write the proportion equation
447,297.12 : 670,715.84 = 131,713.02 : x - Step 2: Convert to fraction form
447,297.12/670,715.84 = 131,713.02/x - Step 3: Cross multiply
447,297.12x = 670,715.84 × 131,713.02 - Step 4: Simplify right side
447,297.12x = 88,342,008,189.67 - Step 5: Solve for x
x = 88,342,008,189.67/447,297.12 - Step 6: Final answer
x = 197,501.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.