Finding the Fourth Proportional to 187,718.60, 281,575.52 and 45,564.99
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Solution
The fourth proportional to 187,718.60, 281,575.52 and 45,564.99 is: 68,346.91
Step by Step Solution
- Step 1: Write the proportion equation
187,718.60 : 281,575.52 = 45,564.99 : x - Step 2: Convert to fraction form
187,718.60/281,575.52 = 45,564.99/x - Step 3: Cross multiply
187,718.60x = 281,575.52 × 45,564.99 - Step 4: Simplify right side
187,718.60x = 12,829,985,753.04 - Step 5: Solve for x
x = 12,829,985,753.04/187,718.60 - Step 6: Final answer
x = 68,346.91
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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.