Finding the Fourth Proportional to 371,364.72, 512,485.68 and 201,598.80
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Solution
The fourth proportional to 371,364.72, 512,485.68 and 201,598.80 is: 278,207.63
Step by Step Solution
- Step 1: Write the proportion equation
371,364.72 : 512,485.68 = 201,598.80 : x - Step 2: Convert to fraction form
371,364.72/512,485.68 = 201,598.80/x - Step 3: Cross multiply
371,364.72x = 512,485.68 × 201,598.80 - Step 4: Simplify right side
371,364.72x = 103,316,498,105.18 - Step 5: Solve for x
x = 103,316,498,105.18/371,364.72 - Step 6: Final answer
x = 278,207.63
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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.