Finding the Fourth Proportional to 108,412.74, 162,578.70 and 37,315.53
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Solution
The fourth proportional to 108,412.74, 162,578.70 and 37,315.53 is: 55,959.39
Step by Step Solution
- Step 1: Write the proportion equation
108,412.74 : 162,578.70 = 37,315.53 : x - Step 2: Convert to fraction form
108,412.74/162,578.70 = 37,315.53/x - Step 3: Cross multiply
108,412.74x = 162,578.70 × 37,315.53 - Step 4: Simplify right side
108,412.74x = 6,066,710,357.21 - Step 5: Solve for x
x = 6,066,710,357.21/108,412.74 - Step 6: Final answer
x = 55,959.39
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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.