Finding the Fourth Proportional to 187,555.84, 281,325.12 and 69,219.52
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Solution
The fourth proportional to 187,555.84, 281,325.12 and 69,219.52 is: 103,826.09
Step by Step Solution
- Step 1: Write the proportion equation
187,555.84 : 281,325.12 = 69,219.52 : x - Step 2: Convert to fraction form
187,555.84/281,325.12 = 69,219.52/x - Step 3: Cross multiply
187,555.84x = 281,325.12 × 69,219.52 - Step 4: Simplify right side
187,555.84x = 19,473,189,770.34 - Step 5: Solve for x
x = 19,473,189,770.34/187,555.84 - Step 6: Final answer
x = 103,826.09
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1.5x scale
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.