Finding the Fourth Proportional to 169,438.24, 233,821.20 and 93,986.08
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Solution
The fourth proportional to 169,438.24, 233,821.20 and 93,986.08 is: 129,698.81
Step by Step Solution
- Step 1: Write the proportion equation
169,438.24 : 233,821.20 = 93,986.08 : x - Step 2: Convert to fraction form
169,438.24/233,821.20 = 93,986.08/x - Step 3: Cross multiply
169,438.24x = 233,821.20 × 93,986.08 - Step 4: Simplify right side
169,438.24x = 21,975,938,008.90 - Step 5: Solve for x
x = 21,975,938,008.90/169,438.24 - Step 6: Final answer
x = 129,698.81
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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.