Finding the Fourth Proportional to 547,701.68, 755,828.25 and 305,984.32
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Solution
The fourth proportional to 547,701.68, 755,828.25 and 305,984.32 is: 422,258.32
Step by Step Solution
- Step 1: Write the proportion equation
547,701.68 : 755,828.25 = 305,984.32 : x - Step 2: Convert to fraction form
547,701.68/755,828.25 = 305,984.32/x - Step 3: Cross multiply
547,701.68x = 755,828.25 × 305,984.32 - Step 4: Simplify right side
547,701.68x = 231,271,593,113.04 - Step 5: Solve for x
x = 231,271,593,113.04/547,701.68 - Step 6: Final answer
x = 422,258.32
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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.