Finding the Fourth Proportional to 450,168.88, 674,503.56 and 316,768.84
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Solution
The fourth proportional to 450,168.88, 674,503.56 and 316,768.84 is: 474,625.68
Step by Step Solution
- Step 1: Write the proportion equation
450,168.88 : 674,503.56 = 316,768.84 : x - Step 2: Convert to fraction form
450,168.88/674,503.56 = 316,768.84/x - Step 3: Cross multiply
450,168.88x = 674,503.56 × 316,768.84 - Step 4: Simplify right side
450,168.88x = 213,661,710,277.07 - Step 5: Solve for x
x = 213,661,710,277.07/450,168.88 - Step 6: Final answer
x = 474,625.68
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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.