Finding the Fourth Proportional to 251,977.60, 347,730.02 and 138,800.08
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Solution
The fourth proportional to 251,977.60, 347,730.02 and 138,800.08 is: 191,544.62
Step by Step Solution
- Step 1: Write the proportion equation
251,977.60 : 347,730.02 = 138,800.08 : x - Step 2: Convert to fraction form
251,977.60/347,730.02 = 138,800.08/x - Step 3: Cross multiply
251,977.60x = 347,730.02 × 138,800.08 - Step 4: Simplify right side
251,977.60x = 48,264,954,594.40 - Step 5: Solve for x
x = 48,264,954,594.40/251,977.60 - Step 6: Final answer
x = 191,544.62
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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.