Finding the Fourth Proportional to 319,637.66, 479,331.83 and 119,849.18
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Solution
The fourth proportional to 319,637.66, 479,331.83 and 119,849.18 is: 179,727.02
Step by Step Solution
- Step 1: Write the proportion equation
319,637.66 : 479,331.83 = 119,849.18 : x - Step 2: Convert to fraction form
319,637.66/479,331.83 = 119,849.18/x - Step 3: Cross multiply
319,637.66x = 479,331.83 × 119,849.18 - Step 4: Simplify right side
319,637.66x = 57,447,524,376.74 - Step 5: Solve for x
x = 57,447,524,376.74/319,637.66 - Step 6: Final answer
x = 179,727.02
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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.