Finding the Fourth Proportional to 306,487.88, 459,739.50 and 84,873.80
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Solution
The fourth proportional to 306,487.88, 459,739.50 and 84,873.80 is: 127,312.83
Step by Step Solution
- Step 1: Write the proportion equation
306,487.88 : 459,739.50 = 84,873.80 : x - Step 2: Convert to fraction form
306,487.88/459,739.50 = 84,873.80/x - Step 3: Cross multiply
306,487.88x = 459,739.50 × 84,873.80 - Step 4: Simplify right side
306,487.88x = 39,019,838,375.10 - Step 5: Solve for x
x = 39,019,838,375.10/306,487.88 - Step 6: Final answer
x = 127,312.83
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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.