Finding the Fourth Proportional to 433,415.70, 649,864.35 and 223,463.70
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Solution
The fourth proportional to 433,415.70, 649,864.35 and 223,463.70 is: 335,061.91
Step by Step Solution
- Step 1: Write the proportion equation
433,415.70 : 649,864.35 = 223,463.70 : x - Step 2: Convert to fraction form
433,415.70/649,864.35 = 223,463.70/x - Step 3: Cross multiply
433,415.70x = 649,864.35 × 223,463.70 - Step 4: Simplify right side
433,415.70x = 145,221,092,149.10 - Step 5: Solve for x
x = 145,221,092,149.10/433,415.70 - Step 6: Final answer
x = 335,061.91
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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.