Finding the Fourth Proportional to 550,229.97, 759,307.73 and 308,511.79
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Solution
The fourth proportional to 550,229.97, 759,307.73 and 308,511.79 is: 425,740.88
Step by Step Solution
- Step 1: Write the proportion equation
550,229.97 : 759,307.73 = 308,511.79 : x - Step 2: Convert to fraction form
550,229.97/759,307.73 = 308,511.79/x - Step 3: Cross multiply
550,229.97x = 759,307.73 × 308,511.79 - Step 4: Simplify right side
550,229.97x = 234,255,387,506.63 - Step 5: Solve for x
x = 234,255,387,506.63/550,229.97 - Step 6: Final answer
x = 425,740.88
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1.5x scale
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.