Finding the Fourth Proportional to 434,562.30, 652,135.05 and 256,880.70
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Solution
The fourth proportional to 434,562.30, 652,135.05 and 256,880.70 is: 385,493.42
Step by Step Solution
- Step 1: Write the proportion equation
434,562.30 : 652,135.05 = 256,880.70 : x - Step 2: Convert to fraction form
434,562.30/652,135.05 = 256,880.70/x - Step 3: Cross multiply
434,562.30x = 652,135.05 × 256,880.70 - Step 4: Simplify right side
434,562.30x = 167,520,908,138.54 - Step 5: Solve for x
x = 167,520,908,138.54/434,562.30 - Step 6: Final answer
x = 385,493.42
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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.