Finding the Fourth Proportional to 438,027.66, 657,042.57 and 122,484.06
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Solution
The fourth proportional to 438,027.66, 657,042.57 and 122,484.06 is: 183,726.39
Step by Step Solution
- Step 1: Write the proportion equation
438,027.66 : 657,042.57 = 122,484.06 : x - Step 2: Convert to fraction form
438,027.66/657,042.57 = 122,484.06/x - Step 3: Cross multiply
438,027.66x = 657,042.57 × 122,484.06 - Step 4: Simplify right side
438,027.66x = 80,477,241,566.43 - Step 5: Solve for x
x = 80,477,241,566.43/438,027.66 - Step 6: Final answer
x = 183,726.39
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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.