Finding the Fourth Proportional to 153,676.52, 211,954.35 and 136,466.99
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Solution
The fourth proportional to 153,676.52, 211,954.35 and 136,466.99 is: 188,218.55
Step by Step Solution
- Step 1: Write the proportion equation
153,676.52 : 211,954.35 = 136,466.99 : x - Step 2: Convert to fraction form
153,676.52/211,954.35 = 136,466.99/x - Step 3: Cross multiply
153,676.52x = 211,954.35 × 136,466.99 - Step 4: Simplify right side
153,676.52x = 28,924,772,161.91 - Step 5: Solve for x
x = 28,924,772,161.91/153,676.52 - Step 6: Final answer
x = 188,218.55
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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.