Finding the Fourth Proportional to 348,038.10, 522,057.15 and 305,183.70
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Solution
The fourth proportional to 348,038.10, 522,057.15 and 305,183.70 is: 457,775.55
Step by Step Solution
- Step 1: Write the proportion equation
348,038.10 : 522,057.15 = 305,183.70 : x - Step 2: Convert to fraction form
348,038.10/522,057.15 = 305,183.70/x - Step 3: Cross multiply
348,038.10x = 522,057.15 × 305,183.70 - Step 4: Simplify right side
348,038.10x = 159,323,332,648.46 - Step 5: Solve for x
x = 159,323,332,648.46/348,038.10 - Step 6: Final answer
x = 457,775.55
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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.