Finding the Fourth Proportional to 236,258.44, 354,283.68 and 86,459.80
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Solution
The fourth proportional to 236,258.44, 354,283.68 and 86,459.80 is: 129,651.65
Step by Step Solution
- Step 1: Write the proportion equation
236,258.44 : 354,283.68 = 86,459.80 : x - Step 2: Convert to fraction form
236,258.44/354,283.68 = 86,459.80/x - Step 3: Cross multiply
236,258.44x = 354,283.68 × 86,459.80 - Step 4: Simplify right side
236,258.44x = 30,631,296,116.06 - Step 5: Solve for x
x = 30,631,296,116.06/236,258.44 - Step 6: Final answer
x = 129,651.65
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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.