Finding the Fourth Proportional to 229,543.79, 316,766.09 and 127,568.03
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Solution
The fourth proportional to 229,543.79, 316,766.09 and 127,568.03 is: 176,041.47
Step by Step Solution
- Step 1: Write the proportion equation
229,543.79 : 316,766.09 = 127,568.03 : x - Step 2: Convert to fraction form
229,543.79/316,766.09 = 127,568.03/x - Step 3: Cross multiply
229,543.79x = 316,766.09 × 127,568.03 - Step 4: Simplify right side
229,543.79x = 40,409,224,807.19 - Step 5: Solve for x
x = 40,409,224,807.19/229,543.79 - Step 6: Final answer
x = 176,041.47
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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.