Finding the Fourth Proportional to 338,322.48, 507,491.96 and 113,686.17
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Solution
The fourth proportional to 338,322.48, 507,491.96 and 113,686.17 is: 170,532.02
Step by Step Solution
- Step 1: Write the proportion equation
338,322.48 : 507,491.96 = 113,686.17 : x - Step 2: Convert to fraction form
338,322.48/507,491.96 = 113,686.17/x - Step 3: Cross multiply
338,322.48x = 507,491.96 × 113,686.17 - Step 4: Simplify right side
338,322.48x = 57,694,817,238.19 - Step 5: Solve for x
x = 57,694,817,238.19/338,322.48 - Step 6: Final answer
x = 170,532.02
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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.