Finding the Fourth Proportional to 359,378.22, 538,909.45 and 134,580.99
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Solution
The fourth proportional to 359,378.22, 538,909.45 and 134,580.99 is: 201,812.36
Step by Step Solution
- Step 1: Write the proportion equation
359,378.22 : 538,909.45 = 134,580.99 : x - Step 2: Convert to fraction form
359,378.22/538,909.45 = 134,580.99/x - Step 3: Cross multiply
359,378.22x = 538,909.45 × 134,580.99 - Step 4: Simplify right side
359,378.22x = 72,526,967,301.36 - Step 5: Solve for x
x = 72,526,967,301.36/359,378.22 - Step 6: Final answer
x = 201,812.36
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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.