Finding the Fourth Proportional to 395,944.79, 546,854.88 and 268,398.95
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Solution
The fourth proportional to 395,944.79, 546,854.88 and 268,398.95 is: 370,696.32
Step by Step Solution
- Step 1: Write the proportion equation
395,944.79 : 546,854.88 = 268,398.95 : x - Step 2: Convert to fraction form
395,944.79/546,854.88 = 268,398.95/x - Step 3: Cross multiply
395,944.79x = 546,854.88 × 268,398.95 - Step 4: Simplify right side
395,944.79x = 146,775,274,407.56 - Step 5: Solve for x
x = 146,775,274,407.56/395,944.79 - Step 6: Final answer
x = 370,696.32
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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.