Finding the Fourth Proportional to 432,835.03, 649,285.17 and 129,205.19
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Solution
The fourth proportional to 432,835.03, 649,285.17 and 129,205.19 is: 193,817.53
Step by Step Solution
- Step 1: Write the proportion equation
432,835.03 : 649,285.17 = 129,205.19 : x - Step 2: Convert to fraction form
432,835.03/649,285.17 = 129,205.19/x - Step 3: Cross multiply
432,835.03x = 649,285.17 × 129,205.19 - Step 4: Simplify right side
432,835.03x = 83,891,013,754.03 - Step 5: Solve for x
x = 83,891,013,754.03/432,835.03 - Step 6: Final answer
x = 193,817.53
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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.