Finding the Fourth Proportional to 545,137.92, 817,649.37 and 145,818.99
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Solution
The fourth proportional to 545,137.92, 817,649.37 and 145,818.99 is: 218,713.10
Step by Step Solution
- Step 1: Write the proportion equation
545,137.92 : 817,649.37 = 145,818.99 : x - Step 2: Convert to fraction form
545,137.92/817,649.37 = 145,818.99/x - Step 3: Cross multiply
545,137.92x = 817,649.37 × 145,818.99 - Step 4: Simplify right side
545,137.92x = 119,228,805,307.54 - Step 5: Solve for x
x = 119,228,805,307.54/545,137.92 - Step 6: Final answer
x = 218,713.10
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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.