Finding the Fourth Proportional to 495,103.68, 742,694.76 and 140,119.92
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Solution
The fourth proportional to 495,103.68, 742,694.76 and 140,119.92 is: 210,190.99
Step by Step Solution
- Step 1: Write the proportion equation
495,103.68 : 742,694.76 = 140,119.92 : x - Step 2: Convert to fraction form
495,103.68/742,694.76 = 140,119.92/x - Step 3: Cross multiply
495,103.68x = 742,694.76 × 140,119.92 - Step 4: Simplify right side
495,103.68x = 104,066,330,355.62 - Step 5: Solve for x
x = 104,066,330,355.62/495,103.68 - Step 6: Final answer
x = 210,190.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.