Finding the Fourth Proportional to 154,204.62, 212,922.99 and 118,337.82
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Solution
The fourth proportional to 154,204.62, 212,922.99 and 118,337.82 is: 163,398.75
Step by Step Solution
- Step 1: Write the proportion equation
154,204.62 : 212,922.99 = 118,337.82 : x - Step 2: Convert to fraction form
154,204.62/212,922.99 = 118,337.82/x - Step 3: Cross multiply
154,204.62x = 212,922.99 × 118,337.82 - Step 4: Simplify right side
154,204.62x = 25,196,842,464.48 - Step 5: Solve for x
x = 25,196,842,464.48/154,204.62 - Step 6: Final answer
x = 163,398.75
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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.