Finding the Fourth Proportional to 259,539.08, 389,308.62 and 101,841.80
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Solution
The fourth proportional to 259,539.08, 389,308.62 and 101,841.80 is: 152,762.70
Step by Step Solution
- Step 1: Write the proportion equation
259,539.08 : 389,308.62 = 101,841.80 : x - Step 2: Convert to fraction form
259,539.08/389,308.62 = 101,841.80/x - Step 3: Cross multiply
259,539.08x = 389,308.62 × 101,841.80 - Step 4: Simplify right side
259,539.08x = 39,647,890,616.32 - Step 5: Solve for x
x = 39,647,890,616.32/259,539.08 - Step 6: Final answer
x = 152,762.70
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1.5x scale
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.