Finding the Fourth Proportional to 240,476.76, 331,761.47 and 138,447.48
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Solution
The fourth proportional to 240,476.76, 331,761.47 and 138,447.48 is: 191,001.99
Step by Step Solution
- Step 1: Write the proportion equation
240,476.76 : 331,761.47 = 138,447.48 : x - Step 2: Convert to fraction form
240,476.76/331,761.47 = 138,447.48/x - Step 3: Cross multiply
240,476.76x = 331,761.47 × 138,447.48 - Step 4: Simplify right side
240,476.76x = 45,931,539,482.60 - Step 5: Solve for x
x = 45,931,539,482.60/240,476.76 - Step 6: Final answer
x = 191,001.99
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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.