Finding the Fourth Proportional to 272,212.60, 408,027.30 and 122,427.40
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Solution
The fourth proportional to 272,212.60, 408,027.30 and 122,427.40 is: 183,509.95
Step by Step Solution
- Step 1: Write the proportion equation
272,212.60 : 408,027.30 = 122,427.40 : x - Step 2: Convert to fraction form
272,212.60/408,027.30 = 122,427.40/x - Step 3: Cross multiply
272,212.60x = 408,027.30 × 122,427.40 - Step 4: Simplify right side
272,212.60x = 49,953,721,468.02 - Step 5: Solve for x
x = 49,953,721,468.02/272,212.60 - Step 6: Final answer
x = 183,509.95
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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.