Finding the Fourth Proportional to 127,585.99, 191,365.26 and 38,840.23
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Solution
The fourth proportional to 127,585.99, 191,365.26 and 38,840.23 is: 58,256.17
Step by Step Solution
- Step 1: Write the proportion equation
127,585.99 : 191,365.26 = 38,840.23 : x - Step 2: Convert to fraction form
127,585.99/191,365.26 = 38,840.23/x - Step 3: Cross multiply
127,585.99x = 191,365.26 × 38,840.23 - Step 4: Simplify right side
127,585.99x = 7,432,670,712.41 - Step 5: Solve for x
x = 7,432,670,712.41/127,585.99 - Step 6: Final answer
x = 58,256.17
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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.