Finding the Fourth Proportional to 340,319.26, 469,768.71 and 255,680.74
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Solution
The fourth proportional to 340,319.26, 469,768.71 and 255,680.74 is: 352,935.69
Step by Step Solution
- Step 1: Write the proportion equation
340,319.26 : 469,768.71 = 255,680.74 : x - Step 2: Convert to fraction form
340,319.26/469,768.71 = 255,680.74/x - Step 3: Cross multiply
340,319.26x = 469,768.71 × 255,680.74 - Step 4: Simplify right side
340,319.26x = 120,110,811,401.65 - Step 5: Solve for x
x = 120,110,811,401.65/340,319.26 - Step 6: Final answer
x = 352,935.69
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1.5x scale
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.