Finding the Fourth Proportional to 344,485.12, 516,448.86 and 107,705.92
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Solution
The fourth proportional to 344,485.12, 516,448.86 and 107,705.92 is: 161,471.70
Step by Step Solution
- Step 1: Write the proportion equation
344,485.12 : 516,448.86 = 107,705.92 : x - Step 2: Convert to fraction form
344,485.12/516,448.86 = 107,705.92/x - Step 3: Cross multiply
344,485.12x = 516,448.86 × 107,705.92 - Step 4: Simplify right side
344,485.12x = 55,624,599,599.25 - Step 5: Solve for x
x = 55,624,599,599.25/344,485.12 - Step 6: Final answer
x = 161,471.70
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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.