Finding the Fourth Proportional to 395,639.60, 545,982.95 and 232,264.13
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Solution
The fourth proportional to 395,639.60, 545,982.95 and 232,264.13 is: 320,524.68
Step by Step Solution
- Step 1: Write the proportion equation
395,639.60 : 545,982.95 = 232,264.13 : x - Step 2: Convert to fraction form
395,639.60/545,982.95 = 232,264.13/x - Step 3: Cross multiply
395,639.60x = 545,982.95 × 232,264.13 - Step 4: Simplify right side
395,639.60x = 126,812,254,876.58 - Step 5: Solve for x
x = 126,812,254,876.58/395,639.60 - Step 6: Final answer
x = 320,524.68
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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.