Finding the Fourth Proportional to 240,315.26, 331,636.78 and 131,420.08
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Solution
The fourth proportional to 240,315.26, 331,636.78 and 131,420.08 is: 181,360.65
Step by Step Solution
- Step 1: Write the proportion equation
240,315.26 : 331,636.78 = 131,420.08 : x - Step 2: Convert to fraction form
240,315.26/331,636.78 = 131,420.08/x - Step 3: Cross multiply
240,315.26x = 331,636.78 × 131,420.08 - Step 4: Simplify right side
240,315.26x = 43,583,732,158.54 - Step 5: Solve for x
x = 43,583,732,158.54/240,315.26 - Step 6: Final answer
x = 181,360.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.