Finding the Fourth Proportional to 278,425.08, 417,702.42 and 120,669.48
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Solution
The fourth proportional to 278,425.08, 417,702.42 and 120,669.48 is: 181,032.30
Step by Step Solution
- Step 1: Write the proportion equation
278,425.08 : 417,702.42 = 120,669.48 : x - Step 2: Convert to fraction form
278,425.08/417,702.42 = 120,669.48/x - Step 3: Cross multiply
278,425.08x = 417,702.42 × 120,669.48 - Step 4: Simplify right side
278,425.08x = 50,403,933,816.14 - Step 5: Solve for x
x = 50,403,933,816.14/278,425.08 - Step 6: Final answer
x = 181,032.30
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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.