Finding the Fourth Proportional to 347,959.94, 480,176.88 and 202,756.73
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Solution
The fourth proportional to 347,959.94, 480,176.88 and 202,756.73 is: 279,799.72
Step by Step Solution
- Step 1: Write the proportion equation
347,959.94 : 480,176.88 = 202,756.73 : x - Step 2: Convert to fraction form
347,959.94/480,176.88 = 202,756.73/x - Step 3: Cross multiply
347,959.94x = 480,176.88 × 202,756.73 - Step 4: Simplify right side
347,959.94x = 97,359,094,010.40 - Step 5: Solve for x
x = 97,359,094,010.40/347,959.94 - Step 6: Final answer
x = 279,799.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.