Finding the Fourth Proportional to 293,431.64, 439,748.12 and 124,739.96
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Solution
The fourth proportional to 293,431.64, 439,748.12 and 124,739.96 is: 186,940.17
Step by Step Solution
- Step 1: Write the proportion equation
293,431.64 : 439,748.12 = 124,739.96 : x - Step 2: Convert to fraction form
293,431.64/439,748.12 = 124,739.96/x - Step 3: Cross multiply
293,431.64x = 439,748.12 × 124,739.96 - Step 4: Simplify right side
293,431.64x = 54,854,161,011.98 - Step 5: Solve for x
x = 54,854,161,011.98/293,431.64 - Step 6: Final answer
x = 186,940.17
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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.