Finding the Fourth Proportional to 540,862.92, 811,338.12 and 185,877.18
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Solution
The fourth proportional to 540,862.92, 811,338.12 and 185,877.18 is: 278,830.80
Step by Step Solution
- Step 1: Write the proportion equation
540,862.92 : 811,338.12 = 185,877.18 : x - Step 2: Convert to fraction form
540,862.92/811,338.12 = 185,877.18/x - Step 3: Cross multiply
540,862.92x = 811,338.12 × 185,877.18 - Step 4: Simplify right side
540,862.92x = 150,809,241,772.10 - Step 5: Solve for x
x = 150,809,241,772.10/540,862.92 - Step 6: Final answer
x = 278,830.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.