Finding the Fourth Proportional to 447,948.99, 671,520.09 and 163,440.96
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Solution
The fourth proportional to 447,948.99, 671,520.09 and 163,440.96 is: 245,014.26
Step by Step Solution
- Step 1: Write the proportion equation
447,948.99 : 671,520.09 = 163,440.96 : x - Step 2: Convert to fraction form
447,948.99/671,520.09 = 163,440.96/x - Step 3: Cross multiply
447,948.99x = 671,520.09 × 163,440.96 - Step 4: Simplify right side
447,948.99x = 109,753,888,168.89 - Step 5: Solve for x
x = 109,753,888,168.89/447,948.99 - Step 6: Final answer
x = 245,014.26
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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.