Finding the Fourth Proportional to 427,724.34, 590,252.45 and 236,733.63
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Solution
The fourth proportional to 427,724.34, 590,252.45 and 236,733.63 is: 326,688.46
Step by Step Solution
- Step 1: Write the proportion equation
427,724.34 : 590,252.45 = 236,733.63 : x - Step 2: Convert to fraction form
427,724.34/590,252.45 = 236,733.63/x - Step 3: Cross multiply
427,724.34x = 590,252.45 × 236,733.63 - Step 4: Simplify right side
427,724.34x = 139,732,603,921.23 - Step 5: Solve for x
x = 139,732,603,921.23/427,724.34 - Step 6: Final answer
x = 326,688.46
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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.