Finding the Fourth Proportional to 316,998.36, 437,455.76 and 173,764.44
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Solution
The fourth proportional to 316,998.36, 437,455.76 and 173,764.44 is: 239,793.84
Step by Step Solution
- Step 1: Write the proportion equation
316,998.36 : 437,455.76 = 173,764.44 : x - Step 2: Convert to fraction form
316,998.36/437,455.76 = 173,764.44/x - Step 3: Cross multiply
316,998.36x = 437,455.76 × 173,764.44 - Step 4: Simplify right side
316,998.36x = 76,014,254,292.35 - Step 5: Solve for x
x = 76,014,254,292.35/316,998.36 - Step 6: Final answer
x = 239,793.84
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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.