Finding the Fourth Proportional to 383,229.99, 528,873.71 and 213,464.07
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Solution
The fourth proportional to 383,229.99, 528,873.71 and 213,464.07 is: 294,589.51
Step by Step Solution
- Step 1: Write the proportion equation
383,229.99 : 528,873.71 = 213,464.07 : x - Step 2: Convert to fraction form
383,229.99/528,873.71 = 213,464.07/x - Step 3: Cross multiply
383,229.99x = 528,873.71 × 213,464.07 - Step 4: Simplify right side
383,229.99x = 112,895,533,585.28 - Step 5: Solve for x
x = 112,895,533,585.28/383,229.99 - Step 6: Final answer
x = 294,589.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.