Finding the Fourth Proportional to 309,737.70, 464,606.55 and 247,529.70
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Solution
The fourth proportional to 309,737.70, 464,606.55 and 247,529.70 is: 371,294.55
Step by Step Solution
- Step 1: Write the proportion equation
309,737.70 : 464,606.55 = 247,529.70 : x - Step 2: Convert to fraction form
309,737.70/464,606.55 = 247,529.70/x - Step 3: Cross multiply
309,737.70x = 464,606.55 × 247,529.70 - Step 4: Simplify right side
309,737.70x = 115,003,919,939.54 - Step 5: Solve for x
x = 115,003,919,939.54/309,737.70 - Step 6: Final answer
x = 371,294.55
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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.