Finding the Fourth Proportional to 179,116.74, 247,181.12 and 98,542.54
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Solution
The fourth proportional to 179,116.74, 247,181.12 and 98,542.54 is: 135,988.72
Step by Step Solution
- Step 1: Write the proportion equation
179,116.74 : 247,181.12 = 98,542.54 : x - Step 2: Convert to fraction form
179,116.74/247,181.12 = 98,542.54/x - Step 3: Cross multiply
179,116.74x = 247,181.12 × 98,542.54 - Step 4: Simplify right side
179,116.74x = 24,357,855,404.84 - Step 5: Solve for x
x = 24,357,855,404.84/179,116.74 - Step 6: Final answer
x = 135,988.72
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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.