Finding the Fourth Proportional to 314,851.80, 472,277.70 and 252,643.80
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Solution
The fourth proportional to 314,851.80, 472,277.70 and 252,643.80 is: 378,965.70
Step by Step Solution
- Step 1: Write the proportion equation
314,851.80 : 472,277.70 = 252,643.80 : x - Step 2: Convert to fraction form
314,851.80/472,277.70 = 252,643.80/x - Step 3: Cross multiply
314,851.80x = 472,277.70 × 252,643.80 - Step 4: Simplify right side
314,851.80x = 119,318,032,783.26 - Step 5: Solve for x
x = 119,318,032,783.26/314,851.80 - Step 6: Final answer
x = 378,965.70
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1.5x scale
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.