Finding the Fourth Proportional to 314,514.80, 434,177.52 and 201,402.08
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Solution
The fourth proportional to 314,514.80, 434,177.52 and 201,402.08 is: 278,029.06
Step by Step Solution
- Step 1: Write the proportion equation
314,514.80 : 434,177.52 = 201,402.08 : x - Step 2: Convert to fraction form
314,514.80/434,177.52 = 201,402.08/x - Step 3: Cross multiply
314,514.80x = 434,177.52 × 201,402.08 - Step 4: Simplify right side
314,514.80x = 87,444,255,617.24 - Step 5: Solve for x
x = 87,444,255,617.24/314,514.80 - Step 6: Final answer
x = 278,029.06
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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.