Finding the Fourth Proportional to 348,675.28, 522,809.69 and 135,193.79
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Solution
The fourth proportional to 348,675.28, 522,809.69 and 135,193.79 is: 202,711.89
Step by Step Solution
- Step 1: Write the proportion equation
348,675.28 : 522,809.69 = 135,193.79 : x - Step 2: Convert to fraction form
348,675.28/522,809.69 = 135,193.79/x - Step 3: Cross multiply
348,675.28x = 522,809.69 × 135,193.79 - Step 4: Simplify right side
348,675.28x = 70,680,624,070.88 - Step 5: Solve for x
x = 70,680,624,070.88/348,675.28 - Step 6: Final answer
x = 202,711.89
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1.5x scale
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.