Finding the Fourth Proportional to 467,738.96, 645,479.81 and 252,878.96
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Solution
The fourth proportional to 467,738.96, 645,479.81 and 252,878.96 is: 348,972.99
Step by Step Solution
- Step 1: Write the proportion equation
467,738.96 : 645,479.81 = 252,878.96 : x - Step 2: Convert to fraction form
467,738.96/645,479.81 = 252,878.96/x - Step 3: Cross multiply
467,738.96x = 645,479.81 × 252,878.96 - Step 4: Simplify right side
467,738.96x = 163,228,263,053.80 - Step 5: Solve for x
x = 163,228,263,053.80/467,738.96 - Step 6: Final answer
x = 348,972.99
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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.