Finding the Fourth Proportional to 327,370.24, 490,638.98 and 147,263.08
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Solution
The fourth proportional to 327,370.24, 490,638.98 and 147,263.08 is: 220,707.32
Step by Step Solution
- Step 1: Write the proportion equation
327,370.24 : 490,638.98 = 147,263.08 : x - Step 2: Convert to fraction form
327,370.24/490,638.98 = 147,263.08/x - Step 3: Cross multiply
327,370.24x = 490,638.98 × 147,263.08 - Step 4: Simplify right side
327,370.24x = 72,253,007,362.86 - Step 5: Solve for x
x = 72,253,007,362.86/327,370.24 - Step 6: Final answer
x = 220,707.32
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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.