Finding the Fourth Proportional to 371,279.90, 512,366.76 and 201,513.98
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Solution
The fourth proportional to 371,279.90, 512,366.76 and 201,513.98 is: 278,089.56
Step by Step Solution
- Step 1: Write the proportion equation
371,279.90 : 512,366.76 = 201,513.98 : x - Step 2: Convert to fraction form
371,279.90/512,366.76 = 201,513.98/x - Step 3: Cross multiply
371,279.90x = 512,366.76 × 201,513.98 - Step 4: Simplify right side
371,279.90x = 103,249,065,027.31 - Step 5: Solve for x
x = 103,249,065,027.31/371,279.90 - Step 6: Final answer
x = 278,089.56
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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.