Finding the Fourth Proportional to 558,231.08, 770,088.18 and 331,716.20
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Solution
The fourth proportional to 558,231.08, 770,088.18 and 331,716.20 is: 457,607.49
Step by Step Solution
- Step 1: Write the proportion equation
558,231.08 : 770,088.18 = 331,716.20 : x - Step 2: Convert to fraction form
558,231.08/770,088.18 = 331,716.20/x - Step 3: Cross multiply
558,231.08x = 770,088.18 × 331,716.20 - Step 4: Simplify right side
558,231.08x = 255,450,724,734.52 - Step 5: Solve for x
x = 255,450,724,734.52/558,231.08 - Step 6: Final answer
x = 457,607.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.