Finding the Fourth Proportional to 214,865.80, 322,298.70 and 165,713.80
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Solution
The fourth proportional to 214,865.80, 322,298.70 and 165,713.80 is: 248,570.70
Step by Step Solution
- Step 1: Write the proportion equation
214,865.80 : 322,298.70 = 165,713.80 : x - Step 2: Convert to fraction form
214,865.80/322,298.70 = 165,713.80/x - Step 3: Cross multiply
214,865.80x = 322,298.70 × 165,713.80 - Step 4: Simplify right side
214,865.80x = 53,409,342,312.06 - Step 5: Solve for x
x = 53,409,342,312.06/214,865.80 - Step 6: Final answer
x = 248,570.70
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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.