Finding the Fourth Proportional to 357,785.09, 493,537.84 and 223,415.81
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Solution
The fourth proportional to 357,785.09, 493,537.84 and 223,415.81 is: 308,185.44
Step by Step Solution
- Step 1: Write the proportion equation
357,785.09 : 493,537.84 = 223,415.81 : x - Step 2: Convert to fraction form
357,785.09/493,537.84 = 223,415.81/x - Step 3: Cross multiply
357,785.09x = 493,537.84 × 223,415.81 - Step 4: Simplify right side
357,785.09x = 110,264,156,289.25 - Step 5: Solve for x
x = 110,264,156,289.25/357,785.09 - Step 6: Final answer
x = 308,185.44
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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.