Finding the Fourth Proportional to 302,083.36, 416,885.60 and 166,122.88
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Solution
The fourth proportional to 302,083.36, 416,885.60 and 166,122.88 is: 229,255.38
Step by Step Solution
- Step 1: Write the proportion equation
302,083.36 : 416,885.60 = 166,122.88 : x - Step 2: Convert to fraction form
302,083.36/416,885.60 = 166,122.88/x - Step 3: Cross multiply
302,083.36x = 416,885.60 × 166,122.88 - Step 4: Simplify right side
302,083.36x = 69,254,236,502.53 - Step 5: Solve for x
x = 69,254,236,502.53/302,083.36 - Step 6: Final answer
x = 229,255.38
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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.