Finding the Fourth Proportional to 314,790.82, 472,278.34 and 101,554.62
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Solution
The fourth proportional to 314,790.82, 472,278.34 and 101,554.62 is: 152,361.65
Step by Step Solution
- Step 1: Write the proportion equation
314,790.82 : 472,278.34 = 101,554.62 : x - Step 2: Convert to fraction form
314,790.82/472,278.34 = 101,554.62/x - Step 3: Cross multiply
314,790.82x = 472,278.34 × 101,554.62 - Step 4: Simplify right side
314,790.82x = 47,962,047,352.93 - Step 5: Solve for x
x = 47,962,047,352.93/314,790.82 - Step 6: Final answer
x = 152,361.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.