Finding the Fourth Proportional to 97,239.12, 145,883.30 and 27,118.44
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Solution
The fourth proportional to 97,239.12, 145,883.30 and 27,118.44 is: 40,684.53
Step by Step Solution
- Step 1: Write the proportion equation
97,239.12 : 145,883.30 = 27,118.44 : x - Step 2: Convert to fraction form
97,239.12/145,883.30 = 27,118.44/x - Step 3: Cross multiply
97,239.12x = 145,883.30 × 27,118.44 - Step 4: Simplify right side
97,239.12x = 3,956,127,518.05 - Step 5: Solve for x
x = 3,956,127,518.05/97,239.12 - Step 6: Final answer
x = 40,684.53
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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.