Finding the Fourth Proportional to 314,863.42, 434,640.87 and 213,027.02
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Solution
The fourth proportional to 314,863.42, 434,640.87 and 213,027.02 is: 294,064.80
Step by Step Solution
- Step 1: Write the proportion equation
314,863.42 : 434,640.87 = 213,027.02 : x - Step 2: Convert to fraction form
314,863.42/434,640.87 = 213,027.02/x - Step 3: Cross multiply
314,863.42x = 434,640.87 × 213,027.02 - Step 4: Simplify right side
314,863.42x = 92,590,249,306.31 - Step 5: Solve for x
x = 92,590,249,306.31/314,863.42 - Step 6: Final answer
x = 294,064.80
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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.