Finding the Fourth Proportional to 272,438.13, 408,653.08 and 122,572.59
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Solution
The fourth proportional to 272,438.13, 408,653.08 and 122,572.59 is: 183,857.03
Step by Step Solution
- Step 1: Write the proportion equation
272,438.13 : 408,653.08 = 122,572.59 : x - Step 2: Convert to fraction form
272,438.13/408,653.08 = 122,572.59/x - Step 3: Cross multiply
272,438.13x = 408,653.08 × 122,572.59 - Step 4: Simplify right side
272,438.13x = 50,089,666,427.08 - Step 5: Solve for x
x = 50,089,666,427.08/272,438.13 - Step 6: Final answer
x = 183,857.03
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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.