Finding the Fourth Proportional to 480,417.36, 720,713.79 and 160,538.91
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Solution
The fourth proportional to 480,417.36, 720,713.79 and 160,538.91 is: 240,837.69
Step by Step Solution
- Step 1: Write the proportion equation
480,417.36 : 720,713.79 = 160,538.91 : x - Step 2: Convert to fraction form
480,417.36/720,713.79 = 160,538.91/x - Step 3: Cross multiply
480,417.36x = 720,713.79 × 160,538.91 - Step 4: Simplify right side
480,417.36x = 115,702,606,268.57 - Step 5: Solve for x
x = 115,702,606,268.57/480,417.36 - Step 6: Final answer
x = 240,837.69
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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.