Finding the Fourth Proportional to 75,319.74, 112,981.50 and 22,729.14
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Solution
The fourth proportional to 75,319.74, 112,981.50 and 22,729.14 is: 34,094.28
Step by Step Solution
- Step 1: Write the proportion equation
75,319.74 : 112,981.50 = 22,729.14 : x - Step 2: Convert to fraction form
75,319.74/112,981.50 = 22,729.14/x - Step 3: Cross multiply
75,319.74x = 112,981.50 × 22,729.14 - Step 4: Simplify right side
75,319.74x = 2,567,972,330.91 - Step 5: Solve for x
x = 2,567,972,330.91/75,319.74 - Step 6: Final answer
x = 34,094.28
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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.