Finding the Fourth Proportional to 117,878.12, 176,817.18 and 44,011.88
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Solution
The fourth proportional to 117,878.12, 176,817.18 and 44,011.88 is: 66,017.82
Step by Step Solution
- Step 1: Write the proportion equation
117,878.12 : 176,817.18 = 44,011.88 : x - Step 2: Convert to fraction form
117,878.12/176,817.18 = 44,011.88/x - Step 3: Cross multiply
117,878.12x = 176,817.18 × 44,011.88 - Step 4: Simplify right side
117,878.12x = 7,782,056,508.10 - Step 5: Solve for x
x = 7,782,056,508.10/117,878.12 - Step 6: Final answer
x = 66,017.82
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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.