Finding the Fourth Proportional to 359,787.80, 539,583.20 and 135,130.88
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Solution
The fourth proportional to 359,787.80, 539,583.20 and 135,130.88 is: 202,659.32
Step by Step Solution
- Step 1: Write the proportion equation
359,787.80 : 539,583.20 = 135,130.88 : x - Step 2: Convert to fraction form
359,787.80/539,583.20 = 135,130.88/x - Step 3: Cross multiply
359,787.80x = 539,583.20 × 135,130.88 - Step 4: Simplify right side
359,787.80x = 72,914,352,649.22 - Step 5: Solve for x
x = 72,914,352,649.22/359,787.80 - Step 6: Final answer
x = 202,659.32
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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.