Finding the Fourth Proportional to 480,256.70, 720,358.92 and 243,593.19
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Solution
The fourth proportional to 480,256.70, 720,358.92 and 243,593.19 is: 365,376.54
Step by Step Solution
- Step 1: Write the proportion equation
480,256.70 : 720,358.92 = 243,593.19 : x - Step 2: Convert to fraction form
480,256.70/720,358.92 = 243,593.19/x - Step 3: Cross multiply
480,256.70x = 720,358.92 × 243,593.19 - Step 4: Simplify right side
480,256.70x = 175,474,527,267.76 - Step 5: Solve for x
x = 175,474,527,267.76/480,256.70 - Step 6: Final answer
x = 365,376.54
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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.