Finding the Fourth Proportional to 371,420.92, 512,560.86 and 201,655.06
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Solution
The fourth proportional to 371,420.92, 512,560.86 and 201,655.06 is: 278,283.98
Step by Step Solution
- Step 1: Write the proportion equation
371,420.92 : 512,560.86 = 201,655.06 : x - Step 2: Convert to fraction form
371,420.92/512,560.86 = 201,655.06/x - Step 3: Cross multiply
371,420.92x = 512,560.86 × 201,655.06 - Step 4: Simplify right side
371,420.92x = 103,360,490,976.95 - Step 5: Solve for x
x = 103,360,490,976.95/371,420.92 - Step 6: Final answer
x = 278,283.98
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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.