Finding the Fourth Proportional to 542,857.14, 813,904.20 and 239,107.14
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Solution
The fourth proportional to 542,857.14, 813,904.20 and 239,107.14 is: 358,492.67
Step by Step Solution
- Step 1: Write the proportion equation
542,857.14 : 813,904.20 = 239,107.14 : x - Step 2: Convert to fraction form
542,857.14/813,904.20 = 239,107.14/x - Step 3: Cross multiply
542,857.14x = 813,904.20 × 239,107.14 - Step 4: Simplify right side
542,857.14x = 194,610,305,495.99 - Step 5: Solve for x
x = 194,610,305,495.99/542,857.14 - Step 6: Final answer
x = 358,492.67
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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.