Finding the Fourth Proportional to 492,023.80, 738,035.70 and 176,439.70
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Solution
The fourth proportional to 492,023.80, 738,035.70 and 176,439.70 is: 264,659.55
Step by Step Solution
- Step 1: Write the proportion equation
492,023.80 : 738,035.70 = 176,439.70 : x - Step 2: Convert to fraction form
492,023.80/738,035.70 = 176,439.70/x - Step 3: Cross multiply
492,023.80x = 738,035.70 × 176,439.70 - Step 4: Simplify right side
492,023.80x = 130,218,797,497.29 - Step 5: Solve for x
x = 130,218,797,497.29/492,023.80 - Step 6: Final answer
x = 264,659.55
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1.5x scale
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.