Finding the Fourth Proportional to 170,928.99, 235,841.76 and 99,266.49
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Solution
The fourth proportional to 170,928.99, 235,841.76 and 99,266.49 is: 136,964.38
Step by Step Solution
- Step 1: Write the proportion equation
170,928.99 : 235,841.76 = 99,266.49 : x - Step 2: Convert to fraction form
170,928.99/235,841.76 = 99,266.49/x - Step 3: Cross multiply
170,928.99x = 235,841.76 × 99,266.49 - Step 4: Simplify right side
170,928.99x = 23,411,183,710.62 - Step 5: Solve for x
x = 23,411,183,710.62/170,928.99 - Step 6: Final answer
x = 136,964.38
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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.