Finding the Fourth Proportional to 371,265.06, 512,345.70 and 201,499.20
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Solution
The fourth proportional to 371,265.06, 512,345.70 and 201,499.20 is: 278,068.85
Step by Step Solution
- Step 1: Write the proportion equation
371,265.06 : 512,345.70 = 201,499.20 : x - Step 2: Convert to fraction form
371,265.06/512,345.70 = 201,499.20/x - Step 3: Cross multiply
371,265.06x = 512,345.70 × 201,499.20 - Step 4: Simplify right side
371,265.06x = 103,237,248,673.44 - Step 5: Solve for x
x = 103,237,248,673.44/371,265.06 - Step 6: Final answer
x = 278,068.85
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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.