Finding the Fourth Proportional to 480,389.99, 720,340.16 and 160,426.71
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Solution
The fourth proportional to 480,389.99, 720,340.16 and 160,426.71 is: 240,558.31
Step by Step Solution
- Step 1: Write the proportion equation
480,389.99 : 720,340.16 = 160,426.71 : x - Step 2: Convert to fraction form
480,389.99/720,340.16 = 160,426.71/x - Step 3: Cross multiply
480,389.99x = 720,340.16 × 160,426.71 - Step 4: Simplify right side
480,389.99x = 115,561,801,147.54 - Step 5: Solve for x
x = 115,561,801,147.54/480,389.99 - Step 6: Final answer
x = 240,558.31
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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.