Finding the Fourth Proportional to 454,028.60, 681,431.70 and 201,697.40
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Solution
The fourth proportional to 454,028.60, 681,431.70 and 201,697.40 is: 302,718.82
Step by Step Solution
- Step 1: Write the proportion equation
454,028.60 : 681,431.70 = 201,697.40 : x - Step 2: Convert to fraction form
454,028.60/681,431.70 = 201,697.40/x - Step 3: Cross multiply
454,028.60x = 681,431.70 × 201,697.40 - Step 4: Simplify right side
454,028.60x = 137,443,002,167.58 - Step 5: Solve for x
x = 137,443,002,167.58/454,028.60 - Step 6: Final answer
x = 302,718.82
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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.