Finding the Fourth Proportional to 430,672.14, 646,143.98 and 202,958.57
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Solution
The fourth proportional to 430,672.14, 646,143.98 and 202,958.57 is: 304,501.84
Step by Step Solution
- Step 1: Write the proportion equation
430,672.14 : 646,143.98 = 202,958.57 : x - Step 2: Convert to fraction form
430,672.14/646,143.98 = 202,958.57/x - Step 3: Cross multiply
430,672.14x = 646,143.98 × 202,958.57 - Step 4: Simplify right side
430,672.14x = 131,140,458,194.91 - Step 5: Solve for x
x = 131,140,458,194.91/430,672.14 - Step 6: Final answer
x = 304,501.84
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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.