Finding the Fourth Proportional to 447,942.99, 671,511.09 and 163,434.96
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Solution
The fourth proportional to 447,942.99, 671,511.09 and 163,434.96 is: 245,005.26
Step by Step Solution
- Step 1: Write the proportion equation
447,942.99 : 671,511.09 = 163,434.96 : x - Step 2: Convert to fraction form
447,942.99/671,511.09 = 163,434.96/x - Step 3: Cross multiply
447,942.99x = 671,511.09 × 163,434.96 - Step 4: Simplify right side
447,942.99x = 109,748,388,133.71 - Step 5: Solve for x
x = 109,748,388,133.71/447,942.99 - Step 6: Final answer
x = 245,005.26
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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.