Finding the Fourth Proportional to 368,615.36, 552,922.68 and 115,894.64
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Solution
The fourth proportional to 368,615.36, 552,922.68 and 115,894.64 is: 173,841.85
Step by Step Solution
- Step 1: Write the proportion equation
368,615.36 : 552,922.68 = 115,894.64 : x - Step 2: Convert to fraction form
368,615.36/552,922.68 = 115,894.64/x - Step 3: Cross multiply
368,615.36x = 552,922.68 × 115,894.64 - Step 4: Simplify right side
368,615.36x = 64,080,774,946.44 - Step 5: Solve for x
x = 64,080,774,946.44/368,615.36 - Step 6: Final answer
x = 173,841.85
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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.