Finding the Fourth Proportional to 371,710.52, 512,970.54 and 201,956.12
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Solution
The fourth proportional to 371,710.52, 512,970.54 and 201,956.12 is: 278,704.89
Step by Step Solution
- Step 1: Write the proportion equation
371,710.52 : 512,970.54 = 201,956.12 : x - Step 2: Convert to fraction form
371,710.52/512,970.54 = 201,956.12/x - Step 3: Cross multiply
371,710.52x = 512,970.54 × 201,956.12 - Step 4: Simplify right side
371,710.52x = 103,597,539,932.71 - Step 5: Solve for x
x = 103,597,539,932.71/371,710.52 - Step 6: Final answer
x = 278,704.89
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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.