Finding the Fourth Proportional to 218,842.16, 328,215.84 and 58,914.14
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Solution
The fourth proportional to 218,842.16, 328,215.84 and 58,914.14 is: 88,358.45
Step by Step Solution
- Step 1: Write the proportion equation
218,842.16 : 328,215.84 = 58,914.14 : x - Step 2: Convert to fraction form
218,842.16/328,215.84 = 58,914.14/x - Step 3: Cross multiply
218,842.16x = 328,215.84 × 58,914.14 - Step 4: Simplify right side
218,842.16x = 19,336,553,947.98 - Step 5: Solve for x
x = 19,336,553,947.98/218,842.16 - Step 6: Final answer
x = 88,358.45
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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.