Finding the Fourth Proportional to 327,312.99, 451,598.76 and 196,437.47
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Solution
The fourth proportional to 327,312.99, 451,598.76 and 196,437.47 is: 271,027.79
Step by Step Solution
- Step 1: Write the proportion equation
327,312.99 : 451,598.76 = 196,437.47 : x - Step 2: Convert to fraction form
327,312.99/451,598.76 = 196,437.47/x - Step 3: Cross multiply
327,312.99x = 451,598.76 × 196,437.47 - Step 4: Simplify right side
327,312.99x = 88,710,915,611.54 - Step 5: Solve for x
x = 88,710,915,611.54/327,312.99 - Step 6: Final answer
x = 271,027.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.