Finding the Fourth Proportional to 274,307.13, 378,575.24 and 153,479.03
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Solution
The fourth proportional to 274,307.13, 378,575.24 and 153,479.03 is: 211,818.62
Step by Step Solution
- Step 1: Write the proportion equation
274,307.13 : 378,575.24 = 153,479.03 : x - Step 2: Convert to fraction form
274,307.13/378,575.24 = 153,479.03/x - Step 3: Cross multiply
274,307.13x = 378,575.24 × 153,479.03 - Step 4: Simplify right side
274,307.13x = 58,103,357,956.95 - Step 5: Solve for x
x = 58,103,357,956.95/274,307.13 - Step 6: Final answer
x = 211,818.62
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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.