Finding the Fourth Proportional to 850,909.95, 1,276,430.54 and 251,861.49
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Solution
The fourth proportional to 850,909.95, 1,276,430.54 and 251,861.49 is: 377,811.65
Step by Step Solution
- Step 1: Write the proportion equation
850,909.95 : 1,276,430.54 = 251,861.49 : x - Step 2: Convert to fraction form
850,909.95/1,276,430.54 = 251,861.49/x - Step 3: Cross multiply
850,909.95x = 1,276,430.54 × 251,861.49 - Step 4: Simplify right side
850,909.95x = 321,483,696,426.60 - Step 5: Solve for x
x = 321,483,696,426.60/850,909.95 - Step 6: Final answer
x = 377,811.65
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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.