Finding the Fourth Proportional to 451,620.84, 623,237.63 and 247,673.19
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Solution
The fourth proportional to 451,620.84, 623,237.63 and 247,673.19 is: 341,789.48
Step by Step Solution
- Step 1: Write the proportion equation
451,620.84 : 623,237.63 = 247,673.19 : x - Step 2: Convert to fraction form
451,620.84/623,237.63 = 247,673.19/x - Step 3: Cross multiply
451,620.84x = 623,237.63 × 247,673.19 - Step 4: Simplify right side
451,620.84x = 154,359,251,330.96 - Step 5: Solve for x
x = 154,359,251,330.96/451,620.84 - Step 6: Final answer
x = 341,789.48
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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.