Finding the Fourth Proportional to 127,403.08, 191,113.62 and 38,663.80
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Solution
The fourth proportional to 127,403.08, 191,113.62 and 38,663.80 is: 57,998.43
Step by Step Solution
- Step 1: Write the proportion equation
127,403.08 : 191,113.62 = 38,663.80 : x - Step 2: Convert to fraction form
127,403.08/191,113.62 = 38,663.80/x - Step 3: Cross multiply
127,403.08x = 191,113.62 × 38,663.80 - Step 4: Simplify right side
127,403.08x = 7,389,178,780.96 - Step 5: Solve for x
x = 7,389,178,780.96/127,403.08 - Step 6: Final answer
x = 57,998.43
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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.