Finding the Fourth Proportional to 430,310.19, 593,849.09 and 239,319.48
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Solution
The fourth proportional to 430,310.19, 593,849.09 and 239,319.48 is: 330,272.58
Step by Step Solution
- Step 1: Write the proportion equation
430,310.19 : 593,849.09 = 239,319.48 : x - Step 2: Convert to fraction form
430,310.19/593,849.09 = 239,319.48/x - Step 3: Cross multiply
430,310.19x = 593,849.09 × 239,319.48 - Step 4: Simplify right side
430,310.19x = 142,119,656,015.57 - Step 5: Solve for x
x = 142,119,656,015.57/430,310.19 - Step 6: Final answer
x = 330,272.58
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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.