Finding the Fourth Proportional to 395,944.41, 546,854.36 and 268,398.57
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Solution
The fourth proportional to 395,944.41, 546,854.36 and 268,398.57 is: 370,695.80
Step by Step Solution
- Step 1: Write the proportion equation
395,944.41 : 546,854.36 = 268,398.57 : x - Step 2: Convert to fraction form
395,944.41/546,854.36 = 268,398.57/x - Step 3: Cross multiply
395,944.41x = 546,854.36 × 268,398.57 - Step 4: Simplify right side
395,944.41x = 146,774,930,037.92 - Step 5: Solve for x
x = 146,774,930,037.92/395,944.41 - Step 6: Final answer
x = 370,695.80
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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.