Finding the Fourth Proportional to 292,829.76, 439,251.84 and 82,466.28
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Solution
The fourth proportional to 292,829.76, 439,251.84 and 82,466.28 is: 123,701.45
Step by Step Solution
- Step 1: Write the proportion equation
292,829.76 : 439,251.84 = 82,466.28 : x - Step 2: Convert to fraction form
292,829.76/439,251.84 = 82,466.28/x - Step 3: Cross multiply
292,829.76x = 439,251.84 × 82,466.28 - Step 4: Simplify right side
292,829.76x = 36,223,465,227.96 - Step 5: Solve for x
x = 36,223,465,227.96/292,829.76 - Step 6: Final answer
x = 123,701.45
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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.