Finding the Fourth Proportional to 265,148.70, 365,909.62 and 144,295.08
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Solution
The fourth proportional to 265,148.70, 365,909.62 and 144,295.08 is: 199,129.61
Step by Step Solution
- Step 1: Write the proportion equation
265,148.70 : 365,909.62 = 144,295.08 : x - Step 2: Convert to fraction form
265,148.70/365,909.62 = 144,295.08/x - Step 3: Cross multiply
265,148.70x = 365,909.62 × 144,295.08 - Step 4: Simplify right side
265,148.70x = 52,798,957,890.67 - Step 5: Solve for x
x = 52,798,957,890.67/265,148.70 - Step 6: Final answer
x = 199,129.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.