Finding the Fourth Proportional to 889,376.18, 1,334,059.48 and 215,457.14
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Solution
The fourth proportional to 889,376.18, 1,334,059.48 and 215,457.14 is: 323,184.55
Step by Step Solution
- Step 1: Write the proportion equation
889,376.18 : 1,334,059.48 = 215,457.14 : x - Step 2: Convert to fraction form
889,376.18/1,334,059.48 = 215,457.14/x - Step 3: Cross multiply
889,376.18x = 1,334,059.48 × 215,457.14 - Step 4: Simplify right side
889,376.18x = 287,432,643,755.16 - Step 5: Solve for x
x = 287,432,643,755.16/889,376.18 - Step 6: Final answer
x = 323,184.55
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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.