Finding the Fourth Proportional to 158,537.20, 218,618.04 and 110,773.12
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Solution
The fourth proportional to 158,537.20, 218,618.04 and 110,773.12 is: 152,752.81
Step by Step Solution
- Step 1: Write the proportion equation
158,537.20 : 218,618.04 = 110,773.12 : x - Step 2: Convert to fraction form
158,537.20/218,618.04 = 110,773.12/x - Step 3: Cross multiply
158,537.20x = 218,618.04 × 110,773.12 - Step 4: Simplify right side
158,537.20x = 24,217,002,379.08 - Step 5: Solve for x
x = 24,217,002,379.08/158,537.20 - Step 6: Final answer
x = 152,752.81
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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.