Finding the Fourth Proportional to 170,389.79, 235,128.32 and 93,908.65
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Solution
The fourth proportional to 170,389.79, 235,128.32 and 93,908.65 is: 129,588.65
Step by Step Solution
- Step 1: Write the proportion equation
170,389.79 : 235,128.32 = 93,908.65 : x - Step 2: Convert to fraction form
170,389.79/235,128.32 = 93,908.65/x - Step 3: Cross multiply
170,389.79x = 235,128.32 × 93,908.65 - Step 4: Simplify right side
170,389.79x = 22,080,583,107.97 - Step 5: Solve for x
x = 22,080,583,107.97/170,389.79 - Step 6: Final answer
x = 129,588.65
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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.