Finding the Fourth Proportional to 236,919.95, 355,327.65 and 68,403.62
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Solution
The fourth proportional to 236,919.95, 355,327.65 and 68,403.62 is: 102,590.33
Step by Step Solution
- Step 1: Write the proportion equation
236,919.95 : 355,327.65 = 68,403.62 : x - Step 2: Convert to fraction form
236,919.95/355,327.65 = 68,403.62/x - Step 3: Cross multiply
236,919.95x = 355,327.65 × 68,403.62 - Step 4: Simplify right side
236,919.95x = 24,305,695,427.44 - Step 5: Solve for x
x = 24,305,695,427.44/236,919.95 - Step 6: Final answer
x = 102,590.33
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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.