Finding the Fourth Proportional to 117,297.62, 175,919.45 and 69,926.09
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Solution
The fourth proportional to 117,297.62, 175,919.45 and 69,926.09 is: 104,873.05
Step by Step Solution
- Step 1: Write the proportion equation
117,297.62 : 175,919.45 = 69,926.09 : x - Step 2: Convert to fraction form
117,297.62/175,919.45 = 69,926.09/x - Step 3: Cross multiply
117,297.62x = 175,919.45 × 69,926.09 - Step 4: Simplify right side
117,297.62x = 12,301,358,064.22 - Step 5: Solve for x
x = 12,301,358,064.22/117,297.62 - Step 6: Final answer
x = 104,873.05
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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.