Finding the Fourth Proportional to 642,250.74, 963,511.29 and 242,882.58
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Solution
The fourth proportional to 642,250.74, 963,511.29 and 242,882.58 is: 364,374.99
Step by Step Solution
- Step 1: Write the proportion equation
642,250.74 : 963,511.29 = 242,882.58 : x - Step 2: Convert to fraction form
642,250.74/963,511.29 = 242,882.58/x - Step 3: Cross multiply
642,250.74x = 963,511.29 × 242,882.58 - Step 4: Simplify right side
642,250.74x = 234,020,107,974.33 - Step 5: Solve for x
x = 234,020,107,974.33/642,250.74 - Step 6: Final answer
x = 364,374.99
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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.