Finding the Fourth Proportional to 427,455.22, 589,905.58 and 236,465.32
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Solution
The fourth proportional to 427,455.22, 589,905.58 and 236,465.32 is: 326,331.75
Step by Step Solution
- Step 1: Write the proportion equation
427,455.22 : 589,905.58 = 236,465.32 : x - Step 2: Convert to fraction form
427,455.22/589,905.58 = 236,465.32/x - Step 3: Cross multiply
427,455.22x = 589,905.58 × 236,465.32 - Step 4: Simplify right side
427,455.22x = 139,492,211,744.49 - Step 5: Solve for x
x = 139,492,211,744.49/427,455.22 - Step 6: Final answer
x = 326,331.75
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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.