Finding the Fourth Proportional to 215,919.04, 323,873.70 and 97,558.60
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Solution
The fourth proportional to 215,919.04, 323,873.70 and 97,558.60 is: 146,335.70
Step by Step Solution
- Step 1: Write the proportion equation
215,919.04 : 323,873.70 = 97,558.60 : x - Step 2: Convert to fraction form
215,919.04/323,873.70 = 97,558.60/x - Step 3: Cross multiply
215,919.04x = 323,873.70 × 97,558.60 - Step 4: Simplify right side
215,919.04x = 31,596,664,748.82 - Step 5: Solve for x
x = 31,596,664,748.82/215,919.04 - Step 6: Final answer
x = 146,335.70
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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.