Finding the Fourth Proportional to 304,950.08, 420,833.58 and 168,986.29
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Solution
The fourth proportional to 304,950.08, 420,833.58 and 168,986.29 is: 233,202.45
Step by Step Solution
- Step 1: Write the proportion equation
304,950.08 : 420,833.58 = 168,986.29 : x - Step 2: Convert to fraction form
304,950.08/420,833.58 = 168,986.29/x - Step 3: Cross multiply
304,950.08x = 420,833.58 × 168,986.29 - Step 4: Simplify right side
304,950.08x = 71,115,106,073.02 - Step 5: Solve for x
x = 71,115,106,073.02/304,950.08 - Step 6: Final answer
x = 233,202.45
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1.5x scale
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.