Finding the Fourth Proportional to 617,056.75, 851,532.01 and 345,123.99
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Solution
The fourth proportional to 617,056.75, 851,532.01 and 345,123.99 is: 476,267.58
Step by Step Solution
- Step 1: Write the proportion equation
617,056.75 : 851,532.01 = 345,123.99 : x - Step 2: Convert to fraction form
617,056.75/851,532.01 = 345,123.99/x - Step 3: Cross multiply
617,056.75x = 851,532.01 × 345,123.99 - Step 4: Simplify right side
617,056.75x = 293,884,124,903.92 - Step 5: Solve for x
x = 293,884,124,903.92/617,056.75 - Step 6: Final answer
x = 476,267.58
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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.