Finding the Fourth Proportional to 259,909.96, 358,678.74 and 152,481.88
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Solution
The fourth proportional to 259,909.96, 358,678.74 and 152,481.88 is: 210,426.75
Step by Step Solution
- Step 1: Write the proportion equation
259,909.96 : 358,678.74 = 152,481.88 : x - Step 2: Convert to fraction form
259,909.96/358,678.74 = 152,481.88/x - Step 3: Cross multiply
259,909.96x = 358,678.74 × 152,481.88 - Step 4: Simplify right side
259,909.96x = 54,692,008,591.23 - Step 5: Solve for x
x = 54,692,008,591.23/259,909.96 - Step 6: Final answer
x = 210,426.75
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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.