Finding the Fourth Proportional to 430,407.60, 593,948.88 and 239,419.32
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Solution
The fourth proportional to 430,407.60, 593,948.88 and 239,419.32 is: 330,391.09
Step by Step Solution
- Step 1: Write the proportion equation
430,407.60 : 593,948.88 = 239,419.32 : x - Step 2: Convert to fraction form
430,407.60/593,948.88 = 239,419.32/x - Step 3: Cross multiply
430,407.60x = 593,948.88 × 239,419.32 - Step 4: Simplify right side
430,407.60x = 142,202,836,964.36 - Step 5: Solve for x
x = 142,202,836,964.36/430,407.60 - Step 6: Final answer
x = 330,391.09
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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.