Finding the Fourth Proportional to 255,226.08, 352,215.36 and 140,518.08
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Solution
The fourth proportional to 255,226.08, 352,215.36 and 140,518.08 is: 193,916.81
Step by Step Solution
- Step 1: Write the proportion equation
255,226.08 : 352,215.36 = 140,518.08 : x - Step 2: Convert to fraction form
255,226.08/352,215.36 = 140,518.08/x - Step 3: Cross multiply
255,226.08x = 352,215.36 × 140,518.08 - Step 4: Simplify right side
255,226.08x = 49,492,626,133.71 - Step 5: Solve for x
x = 49,492,626,133.71/255,226.08 - Step 6: Final answer
x = 193,916.81
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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.