Finding the Fourth Proportional to 371,741.76, 513,005.76 and 201,977.28
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Solution
The fourth proportional to 371,741.76, 513,005.76 and 201,977.28 is: 278,729.80
Step by Step Solution
- Step 1: Write the proportion equation
371,741.76 : 513,005.76 = 201,977.28 : x - Step 2: Convert to fraction form
371,741.76/513,005.76 = 201,977.28/x - Step 3: Cross multiply
371,741.76x = 513,005.76 × 201,977.28 - Step 4: Simplify right side
371,741.76x = 103,615,508,029.13 - Step 5: Solve for x
x = 103,615,508,029.13/371,741.76 - Step 6: Final answer
x = 278,729.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.