Finding the Fourth Proportional to 265,618.77, 398,487.35 and 97,135.36
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Solution
The fourth proportional to 265,618.77, 398,487.35 and 97,135.36 is: 145,724.69
Step by Step Solution
- Step 1: Write the proportion equation
265,618.77 : 398,487.35 = 97,135.36 : x - Step 2: Convert to fraction form
265,618.77/398,487.35 = 97,135.36/x - Step 3: Cross multiply
265,618.77x = 398,487.35 × 97,135.36 - Step 4: Simplify right side
265,618.77x = 38,707,212,197.70 - Step 5: Solve for x
x = 38,707,212,197.70/265,618.77 - Step 6: Final answer
x = 145,724.69
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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.