Finding the Fourth Proportional to 519,168.50, 778,836.99 and 203,454.26
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Solution
The fourth proportional to 519,168.50, 778,836.99 and 203,454.26 is: 305,214.40
Step by Step Solution
- Step 1: Write the proportion equation
519,168.50 : 778,836.99 = 203,454.26 : x - Step 2: Convert to fraction form
519,168.50/778,836.99 = 203,454.26/x - Step 3: Cross multiply
519,168.50x = 778,836.99 × 203,454.26 - Step 4: Simplify right side
519,168.50x = 158,457,703,461.08 - Step 5: Solve for x
x = 158,457,703,461.08/519,168.50 - Step 6: Final answer
x = 305,214.40
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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.