Finding the Fourth Proportional to 524,852.20, 787,472.70 and 169,877.80
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Solution
The fourth proportional to 524,852.20, 787,472.70 and 169,877.80 is: 254,879.62
Step by Step Solution
- Step 1: Write the proportion equation
524,852.20 : 787,472.70 = 169,877.80 : x - Step 2: Convert to fraction form
524,852.20/787,472.70 = 169,877.80/x - Step 3: Cross multiply
524,852.20x = 787,472.70 × 169,877.80 - Step 4: Simplify right side
524,852.20x = 133,774,129,836.06 - Step 5: Solve for x
x = 133,774,129,836.06/524,852.20 - Step 6: Final answer
x = 254,879.62
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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.