Finding the Fourth Proportional to 430,576.40, 594,194.28 and 239,585.24
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Solution
The fourth proportional to 430,576.40, 594,194.28 and 239,585.24 is: 330,626.99
Step by Step Solution
- Step 1: Write the proportion equation
430,576.40 : 594,194.28 = 239,585.24 : x - Step 2: Convert to fraction form
430,576.40/594,194.28 = 239,585.24/x - Step 3: Cross multiply
430,576.40x = 594,194.28 × 239,585.24 - Step 4: Simplify right side
430,576.40x = 142,360,179,180.43 - Step 5: Solve for x
x = 142,360,179,180.43/430,576.40 - Step 6: Final answer
x = 330,626.99
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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.