Finding the Fourth Proportional to 218,856.96, 328,518.72 and 210,925.44
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Solution
The fourth proportional to 218,856.96, 328,518.72 and 210,925.44 is: 316,612.99
Step by Step Solution
- Step 1: Write the proportion equation
218,856.96 : 328,518.72 = 210,925.44 : x - Step 2: Convert to fraction form
218,856.96/328,518.72 = 210,925.44/x - Step 3: Cross multiply
218,856.96x = 328,518.72 × 210,925.44 - Step 4: Simplify right side
218,856.96x = 69,292,955,564.24 - Step 5: Solve for x
x = 69,292,955,564.24/218,856.96 - Step 6: Final answer
x = 316,612.99
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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.