Finding the Fourth Proportional to 328,447.76, 453,257.99 and 185,207.84
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Solution
The fourth proportional to 328,447.76, 453,257.99 and 185,207.84 is: 255,586.87
Step by Step Solution
- Step 1: Write the proportion equation
328,447.76 : 453,257.99 = 185,207.84 : x - Step 2: Convert to fraction form
328,447.76/453,257.99 = 185,207.84/x - Step 3: Cross multiply
328,447.76x = 453,257.99 × 185,207.84 - Step 4: Simplify right side
328,447.76x = 83,946,934,027.79 - Step 5: Solve for x
x = 83,946,934,027.79/328,447.76 - Step 6: Final answer
x = 255,586.87
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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.