Finding the Fourth Proportional to 371,577.67, 512,779.81 and 201,811.79
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Solution
The fourth proportional to 371,577.67, 512,779.81 and 201,811.79 is: 278,501.70
Step by Step Solution
- Step 1: Write the proportion equation
371,577.67 : 512,779.81 = 201,811.79 : x - Step 2: Convert to fraction form
371,577.67/512,779.81 = 201,811.79/x - Step 3: Cross multiply
371,577.67x = 512,779.81 × 201,811.79 - Step 4: Simplify right side
371,577.67x = 103,485,011,331.96 - Step 5: Solve for x
x = 103,485,011,331.96/371,577.67 - Step 6: Final answer
x = 278,501.70
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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.