Finding the Fourth Proportional to 689,468.49, 1,034,199.39 and 177,133.23
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Solution
The fourth proportional to 689,468.49, 1,034,199.39 and 177,133.23 is: 265,698.99
Step by Step Solution
- Step 1: Write the proportion equation
689,468.49 : 1,034,199.39 = 177,133.23 : x - Step 2: Convert to fraction form
689,468.49/1,034,199.39 = 177,133.23/x - Step 3: Cross multiply
689,468.49x = 1,034,199.39 × 177,133.23 - Step 4: Simplify right side
689,468.49x = 183,191,079,078.98 - Step 5: Solve for x
x = 183,191,079,078.98/689,468.49 - Step 6: Final answer
x = 265,698.99
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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.