Finding the Fourth Proportional to 177,979.18, 245,638.86 and 101,498.44
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Solution
The fourth proportional to 177,979.18, 245,638.86 and 101,498.44 is: 140,083.58
Step by Step Solution
- Step 1: Write the proportion equation
177,979.18 : 245,638.86 = 101,498.44 : x - Step 2: Convert to fraction form
177,979.18/245,638.86 = 101,498.44/x - Step 3: Cross multiply
177,979.18x = 245,638.86 × 101,498.44 - Step 4: Simplify right side
177,979.18x = 24,931,961,093.38 - Step 5: Solve for x
x = 24,931,961,093.38/177,979.18 - Step 6: Final answer
x = 140,083.58
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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.