Finding the Fourth Proportional to 177,781.87, 245,336.58 and 101,305.49
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Solution
The fourth proportional to 177,781.87, 245,336.58 and 101,305.49 is: 139,800.20
Step by Step Solution
- Step 1: Write the proportion equation
177,781.87 : 245,336.58 = 101,305.49 : x - Step 2: Convert to fraction form
177,781.87/245,336.58 = 101,305.49/x - Step 3: Cross multiply
177,781.87x = 245,336.58 × 101,305.49 - Step 4: Simplify right side
177,781.87x = 24,853,941,225.14 - Step 5: Solve for x
x = 24,853,941,225.14/177,781.87 - Step 6: Final answer
x = 139,800.20
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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.