Finding the Fourth Proportional to 260,092.30, 390,060.68 and 135,365.26
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Solution
The fourth proportional to 260,092.30, 390,060.68 and 135,365.26 is: 203,007.41
Step by Step Solution
- Step 1: Write the proportion equation
260,092.30 : 390,060.68 = 135,365.26 : x - Step 2: Convert to fraction form
260,092.30/390,060.68 = 135,365.26/x - Step 3: Cross multiply
260,092.30x = 390,060.68 × 135,365.26 - Step 4: Simplify right side
260,092.30x = 52,800,665,363.98 - Step 5: Solve for x
x = 52,800,665,363.98/260,092.30 - Step 6: Final answer
x = 203,007.41
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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.