Finding the Fourth Proportional to 114,287.41, 157,726.20 and 66,543.99
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Solution
The fourth proportional to 114,287.41, 157,726.20 and 66,543.99 is: 91,836.28
Step by Step Solution
- Step 1: Write the proportion equation
114,287.41 : 157,726.20 = 66,543.99 : x - Step 2: Convert to fraction form
114,287.41/157,726.20 = 66,543.99/x - Step 3: Cross multiply
114,287.41x = 157,726.20 × 66,543.99 - Step 4: Simplify right side
114,287.41x = 10,495,730,675.54 - Step 5: Solve for x
x = 10,495,730,675.54/114,287.41 - Step 6: Final answer
x = 91,836.28
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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.