Finding the Fourth Proportional to 205,033.05, 307,549.58 and 125,890.65
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Solution
The fourth proportional to 205,033.05, 307,549.58 and 125,890.65 is: 188,835.98
Step by Step Solution
- Step 1: Write the proportion equation
205,033.05 : 307,549.58 = 125,890.65 : x - Step 2: Convert to fraction form
205,033.05/307,549.58 = 125,890.65/x - Step 3: Cross multiply
205,033.05x = 307,549.58 × 125,890.65 - Step 4: Simplify right side
205,033.05x = 38,717,615,903.97 - Step 5: Solve for x
x = 38,717,615,903.97/205,033.05 - Step 6: Final answer
x = 188,835.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.