Finding the Fourth Proportional to 351,087.36, 526,926.40 and 328,943.96
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Solution
The fourth proportional to 351,087.36, 526,926.40 and 328,943.96 is: 493,692.67
Step by Step Solution
- Step 1: Write the proportion equation
351,087.36 : 526,926.40 = 328,943.96 : x - Step 2: Convert to fraction form
351,087.36/526,926.40 = 328,943.96/x - Step 3: Cross multiply
351,087.36x = 526,926.40 × 328,943.96 - Step 4: Simplify right side
351,087.36x = 173,329,256,644.54 - Step 5: Solve for x
x = 173,329,256,644.54/351,087.36 - Step 6: Final answer
x = 493,692.67
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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.