Finding the Fourth Proportional to 80,248.19, 110,731.66 and 44,437.28
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Solution
The fourth proportional to 80,248.19, 110,731.66 and 44,437.28 is: 61,317.44
Step by Step Solution
- Step 1: Write the proportion equation
80,248.19 : 110,731.66 = 44,437.28 : x - Step 2: Convert to fraction form
80,248.19/110,731.66 = 44,437.28/x - Step 3: Cross multiply
80,248.19x = 110,731.66 × 44,437.28 - Step 4: Simplify right side
80,248.19x = 4,920,613,115.53 - Step 5: Solve for x
x = 4,920,613,115.53/80,248.19 - Step 6: Final answer
x = 61,317.44
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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.