Finding the Fourth Proportional to 145,609.18, 218,446.53 and 56,887.99
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Solution
The fourth proportional to 145,609.18, 218,446.53 and 56,887.99 is: 85,344.78
Step by Step Solution
- Step 1: Write the proportion equation
145,609.18 : 218,446.53 = 56,887.99 : x - Step 2: Convert to fraction form
145,609.18/218,446.53 = 56,887.99/x - Step 3: Cross multiply
145,609.18x = 218,446.53 × 56,887.99 - Step 4: Simplify right side
145,609.18x = 12,426,984,014.17 - Step 5: Solve for x
x = 12,426,984,014.17/145,609.18 - Step 6: Final answer
x = 85,344.78
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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.