Finding the Fourth Proportional to 216,537.65, 298,828.58 and 121,048.37
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Solution
The fourth proportional to 216,537.65, 298,828.58 and 121,048.37 is: 167,050.45
Step by Step Solution
- Step 1: Write the proportion equation
216,537.65 : 298,828.58 = 121,048.37 : x - Step 2: Convert to fraction form
216,537.65/298,828.58 = 121,048.37/x - Step 3: Cross multiply
216,537.65x = 298,828.58 × 121,048.37 - Step 4: Simplify right side
216,537.65x = 36,172,711,913.17 - Step 5: Solve for x
x = 36,172,711,913.17/216,537.65 - Step 6: Final answer
x = 167,050.45
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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.