Finding the Fourth Proportional to 400,652.94, 552,901.14 and 219,364.92
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Solution
The fourth proportional to 400,652.94, 552,901.14 and 219,364.92 is: 302,723.63
Step by Step Solution
- Step 1: Write the proportion equation
400,652.94 : 552,901.14 = 219,364.92 : x - Step 2: Convert to fraction form
400,652.94/552,901.14 = 219,364.92/x - Step 3: Cross multiply
400,652.94x = 552,901.14 × 219,364.92 - Step 4: Simplify right side
400,652.94x = 121,287,114,344.01 - Step 5: Solve for x
x = 121,287,114,344.01/400,652.94 - Step 6: Final answer
x = 302,723.63
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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.