Finding the Fourth Proportional to 219,122.16, 302,388.36 and 118,519.92
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Solution
The fourth proportional to 219,122.16, 302,388.36 and 118,519.92 is: 163,557.37
Step by Step Solution
- Step 1: Write the proportion equation
219,122.16 : 302,388.36 = 118,519.92 : x - Step 2: Convert to fraction form
219,122.16/302,388.36 = 118,519.92/x - Step 3: Cross multiply
219,122.16x = 302,388.36 × 118,519.92 - Step 4: Simplify right side
219,122.16x = 35,839,044,236.13 - Step 5: Solve for x
x = 35,839,044,236.13/219,122.16 - Step 6: Final answer
x = 163,557.37
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1.5x scale
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.