Finding the Fourth Proportional to 307,966.15, 459,102.49 and 303,113.05
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Solution
The fourth proportional to 307,966.15, 459,102.49 and 303,113.05 is: 451,867.70
Step by Step Solution
- Step 1: Write the proportion equation
307,966.15 : 459,102.49 = 303,113.05 : x - Step 2: Convert to fraction form
307,966.15/459,102.49 = 303,113.05/x - Step 3: Cross multiply
307,966.15x = 459,102.49 × 303,113.05 - Step 4: Simplify right side
307,966.15x = 139,159,956,006.50 - Step 5: Solve for x
x = 139,159,956,006.50/307,966.15 - Step 6: Final answer
x = 451,867.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.