Finding the Fourth Proportional to 191,184.04, 263,820.26 and 105,148.99
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Solution
The fourth proportional to 191,184.04, 263,820.26 and 105,148.99 is: 145,098.06
Step by Step Solution
- Step 1: Write the proportion equation
191,184.04 : 263,820.26 = 105,148.99 : x - Step 2: Convert to fraction form
191,184.04/263,820.26 = 105,148.99/x - Step 3: Cross multiply
191,184.04x = 263,820.26 × 105,148.99 - Step 4: Simplify right side
191,184.04x = 27,740,432,035.69 - Step 5: Solve for x
x = 27,740,432,035.69/191,184.04 - Step 6: Final answer
x = 145,098.06
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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.