Finding the Fourth Proportional to 462,365.91, 693,548.86 and 129,941.91
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Solution
The fourth proportional to 462,365.91, 693,548.86 and 129,941.91 is: 194,912.86
Step by Step Solution
- Step 1: Write the proportion equation
462,365.91 : 693,548.86 = 129,941.91 : x - Step 2: Convert to fraction form
462,365.91/693,548.86 = 129,941.91/x - Step 3: Cross multiply
462,365.91x = 693,548.86 × 129,941.91 - Step 4: Simplify right side
462,365.91x = 90,121,063,221.87 - Step 5: Solve for x
x = 90,121,063,221.87/462,365.91 - Step 6: Final answer
x = 194,912.86
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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.