Finding the Fourth Proportional to 430,313.42, 593,824.08 and 239,322.72
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Solution
The fourth proportional to 430,313.42, 593,824.08 and 239,322.72 is: 330,260.66
Step by Step Solution
- Step 1: Write the proportion equation
430,313.42 : 593,824.08 = 239,322.72 : x - Step 2: Convert to fraction form
430,313.42/593,824.08 = 239,322.72/x - Step 3: Cross multiply
430,313.42x = 593,824.08 × 239,322.72 - Step 4: Simplify right side
430,313.42x = 142,115,594,027.10 - Step 5: Solve for x
x = 142,115,594,027.10/430,313.42 - Step 6: Final answer
x = 330,260.66
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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.