Finding the Fourth Proportional to 427,135.04, 589,394.40 and 236,121.92
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Solution
The fourth proportional to 427,135.04, 589,394.40 and 236,121.92 is: 325,819.53
Step by Step Solution
- Step 1: Write the proportion equation
427,135.04 : 589,394.40 = 236,121.92 : x - Step 2: Convert to fraction form
427,135.04/589,394.40 = 236,121.92/x - Step 3: Cross multiply
427,135.04x = 589,394.40 × 236,121.92 - Step 4: Simplify right side
427,135.04x = 139,168,937,365.25 - Step 5: Solve for x
x = 139,168,937,365.25/427,135.04 - Step 6: Final answer
x = 325,819.53
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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.