Finding the Fourth Proportional to 305,799.13, 458,663.04 and 81,177.02
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Solution
The fourth proportional to 305,799.13, 458,663.04 and 81,177.02 is: 121,756.06
Step by Step Solution
- Step 1: Write the proportion equation
305,799.13 : 458,663.04 = 81,177.02 : x - Step 2: Convert to fraction form
305,799.13/458,663.04 = 81,177.02/x - Step 3: Cross multiply
305,799.13x = 458,663.04 × 81,177.02 - Step 4: Simplify right side
305,799.13x = 37,232,898,198.01 - Step 5: Solve for x
x = 37,232,898,198.01/305,799.13 - Step 6: Final answer
x = 121,756.06
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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.