Finding the Fourth Proportional to 427,445.14, 589,871.91 and 236,454.43
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Solution
The fourth proportional to 427,445.14, 589,871.91 and 236,454.43 is: 326,305.80
Step by Step Solution
- Step 1: Write the proportion equation
427,445.14 : 589,871.91 = 236,454.43 : x - Step 2: Convert to fraction form
427,445.14/589,871.91 = 236,454.43/x - Step 3: Cross multiply
427,445.14x = 589,871.91 × 236,454.43 - Step 4: Simplify right side
427,445.14x = 139,477,826,252.06 - Step 5: Solve for x
x = 139,477,826,252.06/427,445.14 - Step 6: Final answer
x = 326,305.80
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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.