Finding the Fourth Proportional to 427,724.59, 590,252.79 and 236,733.88
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Solution
The fourth proportional to 427,724.59, 590,252.79 and 236,733.88 is: 326,688.80
Step by Step Solution
- Step 1: Write the proportion equation
427,724.59 : 590,252.79 = 236,733.88 : x - Step 2: Convert to fraction form
427,724.59/590,252.79 = 236,733.88/x - Step 3: Cross multiply
427,724.59x = 590,252.79 × 236,733.88 - Step 4: Simplify right side
427,724.59x = 139,732,833,157.53 - Step 5: Solve for x
x = 139,732,833,157.53/427,724.59 - Step 6: Final answer
x = 326,688.80
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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.