Finding the Fourth Proportional to 302,879.28, 454,320.60 and 125,290.08
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Solution
The fourth proportional to 302,879.28, 454,320.60 and 125,290.08 is: 187,935.81
Step by Step Solution
- Step 1: Write the proportion equation
302,879.28 : 454,320.60 = 125,290.08 : x - Step 2: Convert to fraction form
302,879.28/454,320.60 = 125,290.08/x - Step 3: Cross multiply
302,879.28x = 454,320.60 × 125,290.08 - Step 4: Simplify right side
302,879.28x = 56,921,864,319.65 - Step 5: Solve for x
x = 56,921,864,319.65/302,879.28 - Step 6: Final answer
x = 187,935.81
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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.