Finding the Fourth Proportional to 449,120.12, 619,987.84 and 296,248.82
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Solution
The fourth proportional to 449,120.12, 619,987.84 and 296,248.82 is: 408,956.66
Step by Step Solution
- Step 1: Write the proportion equation
449,120.12 : 619,987.84 = 296,248.82 : x - Step 2: Convert to fraction form
449,120.12/619,987.84 = 296,248.82/x - Step 3: Cross multiply
449,120.12x = 619,987.84 × 296,248.82 - Step 4: Simplify right side
449,120.12x = 183,670,666,014.35 - Step 5: Solve for x
x = 183,670,666,014.35/449,120.12 - Step 6: Final answer
x = 408,956.66
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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.