Finding the Fourth Proportional to 319,917.43, 479,507.04 and 120,110.38
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Solution
The fourth proportional to 319,917.43, 479,507.04 and 120,110.38 is: 180,026.99
Step by Step Solution
- Step 1: Write the proportion equation
319,917.43 : 479,507.04 = 120,110.38 : x - Step 2: Convert to fraction form
319,917.43/479,507.04 = 120,110.38/x - Step 3: Cross multiply
319,917.43x = 479,507.04 × 120,110.38 - Step 4: Simplify right side
319,917.43x = 57,593,771,588.31 - Step 5: Solve for x
x = 57,593,771,588.31/319,917.43 - Step 6: Final answer
x = 180,026.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.