Finding the Fourth Proportional to 480,246.21, 720,343.23 and 243,582.69
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Solution
The fourth proportional to 480,246.21, 720,343.23 and 243,582.69 is: 365,360.80
Step by Step Solution
- Step 1: Write the proportion equation
480,246.21 : 720,343.23 = 243,582.69 : x - Step 2: Convert to fraction form
480,246.21/720,343.23 = 243,582.69/x - Step 3: Cross multiply
480,246.21x = 720,343.23 × 243,582.69 - Step 4: Simplify right side
480,246.21x = 175,463,141,686.69 - Step 5: Solve for x
x = 175,463,141,686.69/480,246.21 - Step 6: Final answer
x = 365,360.80
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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.