Finding the Fourth Proportional to 457,444.49, 631,297.67 and 253,517.67
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Solution
The fourth proportional to 457,444.49, 631,297.67 and 253,517.67 is: 349,867.84
Step by Step Solution
- Step 1: Write the proportion equation
457,444.49 : 631,297.67 = 253,517.67 : x - Step 2: Convert to fraction form
457,444.49/631,297.67 = 253,517.67/x - Step 3: Cross multiply
457,444.49x = 631,297.67 × 253,517.67 - Step 4: Simplify right side
457,444.49x = 160,045,113,107.24 - Step 5: Solve for x
x = 160,045,113,107.24/457,444.49 - Step 6: Final answer
x = 349,867.84
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1.5x scale
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.