Finding the Fourth Proportional to 317,139.18, 475,788.09 and 223,827.18
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Solution
The fourth proportional to 317,139.18, 475,788.09 and 223,827.18 is: 335,796.75
Step by Step Solution
- Step 1: Write the proportion equation
317,139.18 : 475,788.09 = 223,827.18 : x - Step 2: Convert to fraction form
317,139.18/475,788.09 = 223,827.18/x - Step 3: Cross multiply
317,139.18x = 475,788.09 × 223,827.18 - Step 4: Simplify right side
317,139.18x = 106,494,306,462.29 - Step 5: Solve for x
x = 106,494,306,462.29/317,139.18 - Step 6: Final answer
x = 335,796.75
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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.