Finding the Fourth Proportional to 513,194.88, 769,711.44 and 171,635.70
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Solution
The fourth proportional to 513,194.88, 769,711.44 and 171,635.70 is: 257,426.50
Step by Step Solution
- Step 1: Write the proportion equation
513,194.88 : 769,711.44 = 171,635.70 : x - Step 2: Convert to fraction form
513,194.88/769,711.44 = 171,635.70/x - Step 3: Cross multiply
513,194.88x = 769,711.44 × 171,635.70 - Step 4: Simplify right side
513,194.88x = 132,109,961,802.41 - Step 5: Solve for x
x = 132,109,961,802.41/513,194.88 - Step 6: Final answer
x = 257,426.50
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1.5x scale
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.