Finding the Fourth Proportional to 432,905.70, 649,358.55 and 196,709.70
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Solution
The fourth proportional to 432,905.70, 649,358.55 and 196,709.70 is: 295,064.55
Step by Step Solution
- Step 1: Write the proportion equation
432,905.70 : 649,358.55 = 196,709.70 : x - Step 2: Convert to fraction form
432,905.70/649,358.55 = 196,709.70/x - Step 3: Cross multiply
432,905.70x = 649,358.55 × 196,709.70 - Step 4: Simplify right side
432,905.70x = 127,735,125,562.94 - Step 5: Solve for x
x = 127,735,125,562.94/432,905.70 - Step 6: Final answer
x = 295,064.55
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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.