Finding the Fourth Proportional to 398,093.05, 549,383.95 and 226,027.02
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Solution
The fourth proportional to 398,093.05, 549,383.95 and 226,027.02 is: 311,926.11
Step by Step Solution
- Step 1: Write the proportion equation
398,093.05 : 549,383.95 = 226,027.02 : x - Step 2: Convert to fraction form
398,093.05/549,383.95 = 226,027.02/x - Step 3: Cross multiply
398,093.05x = 549,383.95 × 226,027.02 - Step 4: Simplify right side
398,093.05x = 124,175,616,306.77 - Step 5: Solve for x
x = 124,175,616,306.77/398,093.05 - Step 6: Final answer
x = 311,926.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.