Finding the Fourth Proportional to 427,148.12, 589,435.50 and 236,135.72
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Solution
The fourth proportional to 427,148.12, 589,435.50 and 236,135.72 is: 325,851.31
Step by Step Solution
- Step 1: Write the proportion equation
427,148.12 : 589,435.50 = 236,135.72 : x - Step 2: Convert to fraction form
427,148.12/589,435.50 = 236,135.72/x - Step 3: Cross multiply
427,148.12x = 589,435.50 × 236,135.72 - Step 4: Simplify right side
427,148.12x = 139,186,776,186.06 - Step 5: Solve for x
x = 139,186,776,186.06/427,148.12 - Step 6: Final answer
x = 325,851.31
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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.