Finding the Fourth Proportional to 239,163, 330,044.94 and 138,619.32
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Solution
The fourth proportional to 239,163, 330,044.94 and 138,619.32 is: 191,294.66
Step by Step Solution
- Step 1: Write the proportion equation
239,163 : 330,044.94 = 138,619.32 : x - Step 2: Convert to fraction form
239,163/330,044.94 = 138,619.32/x - Step 3: Cross multiply
239,163x = 330,044.94 × 138,619.32 - Step 4: Simplify right side
239,163x = 45,750,605,152.24 - Step 5: Solve for x
x = 45,750,605,152.24/239,163 - Step 6: Final answer
x = 191,294.66
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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.