Finding the Fourth Proportional to 317,223.84, 437,769.18 and 173,986.68
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Solution
The fourth proportional to 317,223.84, 437,769.18 and 173,986.68 is: 240,101.77
Step by Step Solution
- Step 1: Write the proportion equation
317,223.84 : 437,769.18 = 173,986.68 : x - Step 2: Convert to fraction form
317,223.84/437,769.18 = 173,986.68/x - Step 3: Cross multiply
317,223.84x = 437,769.18 × 173,986.68 - Step 4: Simplify right side
317,223.84x = 76,166,006,234.52 - Step 5: Solve for x
x = 76,166,006,234.52/317,223.84 - Step 6: Final answer
x = 240,101.77
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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.