Finding the Fourth Proportional to 317,152.36, 474,795.41 and 211,709.80
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Solution
The fourth proportional to 317,152.36, 474,795.41 and 211,709.80 is: 316,941.80
Step by Step Solution
- Step 1: Write the proportion equation
317,152.36 : 474,795.41 = 211,709.80 : x - Step 2: Convert to fraction form
317,152.36/474,795.41 = 211,709.80/x - Step 3: Cross multiply
317,152.36x = 474,795.41 × 211,709.80 - Step 4: Simplify right side
317,152.36x = 100,518,841,292.02 - Step 5: Solve for x
x = 100,518,841,292.02/317,152.36 - Step 6: Final answer
x = 316,941.80
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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.