Finding the Fourth Proportional to 260,352.92, 390,751.29 and 102,692.09
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Solution
The fourth proportional to 260,352.92, 390,751.29 and 102,692.09 is: 154,125.67
Step by Step Solution
- Step 1: Write the proportion equation
260,352.92 : 390,751.29 = 102,692.09 : x - Step 2: Convert to fraction form
260,352.92/390,751.29 = 102,692.09/x - Step 3: Cross multiply
260,352.92x = 390,751.29 × 102,692.09 - Step 4: Simplify right side
260,352.92x = 40,127,067,617.17 - Step 5: Solve for x
x = 40,127,067,617.17/260,352.92 - Step 6: Final answer
x = 154,125.67
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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.