Finding the Fourth Proportional to 306,612.18, 459,899.82 and 114,449.63
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Solution
The fourth proportional to 306,612.18, 459,899.82 and 114,449.63 is: 171,667.55
Step by Step Solution
- Step 1: Write the proportion equation
306,612.18 : 459,899.82 = 114,449.63 : x - Step 2: Convert to fraction form
306,612.18/459,899.82 = 114,449.63/x - Step 3: Cross multiply
306,612.18x = 459,899.82 × 114,449.63 - Step 4: Simplify right side
306,612.18x = 52,635,361,936.57 - Step 5: Solve for x
x = 52,635,361,936.57/306,612.18 - Step 6: Final answer
x = 171,667.55
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1.5x scale
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.