Finding the Fourth Proportional to 204,387.81, 306,138.60 and 98,985.75
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Solution
The fourth proportional to 204,387.81, 306,138.60 and 98,985.75 is: 148,264.02
Step by Step Solution
- Step 1: Write the proportion equation
204,387.81 : 306,138.60 = 98,985.75 : x - Step 2: Convert to fraction form
204,387.81/306,138.60 = 98,985.75/x - Step 3: Cross multiply
204,387.81x = 306,138.60 × 98,985.75 - Step 4: Simplify right side
204,387.81x = 30,303,358,924.95 - Step 5: Solve for x
x = 30,303,358,924.95/204,387.81 - Step 6: Final answer
x = 148,264.02
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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.