Finding the Fourth Proportional to 329,110.08, 493,457.76 and 279,207.60
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Solution
The fourth proportional to 329,110.08, 493,457.76 and 279,207.60 is: 418,635.48
Step by Step Solution
- Step 1: Write the proportion equation
329,110.08 : 493,457.76 = 279,207.60 : x - Step 2: Convert to fraction form
329,110.08/493,457.76 = 279,207.60/x - Step 3: Cross multiply
329,110.08x = 493,457.76 × 279,207.60 - Step 4: Simplify right side
329,110.08x = 137,777,156,870.98 - Step 5: Solve for x
x = 137,777,156,870.98/329,110.08 - Step 6: Final answer
x = 418,635.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.