Finding the Fourth Proportional to 454,968.96, 682,534.44 and 155,482.80
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Solution
The fourth proportional to 454,968.96, 682,534.44 and 155,482.80 is: 233,251.88
Step by Step Solution
- Step 1: Write the proportion equation
454,968.96 : 682,534.44 = 155,482.80 : x - Step 2: Convert to fraction form
454,968.96/682,534.44 = 155,482.80/x - Step 3: Cross multiply
454,968.96x = 682,534.44 × 155,482.80 - Step 4: Simplify right side
454,968.96x = 106,122,365,827.63 - Step 5: Solve for x
x = 106,122,365,827.63/454,968.96 - Step 6: Final answer
x = 233,251.88
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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.