Finding the Fourth Proportional to 430,674.14, 646,146.98 and 202,960.58
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Solution
The fourth proportional to 430,674.14, 646,146.98 and 202,960.58 is: 304,504.85
Step by Step Solution
- Step 1: Write the proportion equation
430,674.14 : 646,146.98 = 202,960.58 : x - Step 2: Convert to fraction form
430,674.14/646,146.98 = 202,960.58/x - Step 3: Cross multiply
430,674.14x = 646,146.98 × 202,960.58 - Step 4: Simplify right side
430,674.14x = 131,142,365,826.05 - Step 5: Solve for x
x = 131,142,365,826.05/430,674.14 - Step 6: Final answer
x = 304,504.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.