Finding the Fourth Proportional to 79,619.13, 119,444.36 and 26,308.96
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Solution
The fourth proportional to 79,619.13, 119,444.36 and 26,308.96 is: 39,468.61
Step by Step Solution
- Step 1: Write the proportion equation
79,619.13 : 119,444.36 = 26,308.96 : x - Step 2: Convert to fraction form
79,619.13/119,444.36 = 26,308.96/x - Step 3: Cross multiply
79,619.13x = 119,444.36 × 26,308.96 - Step 4: Simplify right side
79,619.13x = 3,142,456,459.31 - Step 5: Solve for x
x = 3,142,456,459.31/79,619.13 - Step 6: Final answer
x = 39,468.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.