Finding the Fourth Proportional to 430,963.92, 594,739.80 and 239,995.08
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Solution
The fourth proportional to 430,963.92, 594,739.80 and 239,995.08 is: 331,198.55
Step by Step Solution
- Step 1: Write the proportion equation
430,963.92 : 594,739.80 = 239,995.08 : x - Step 2: Convert to fraction form
430,963.92/594,739.80 = 239,995.08/x - Step 3: Cross multiply
430,963.92x = 594,739.80 × 239,995.08 - Step 4: Simplify right side
430,963.92x = 142,734,625,880.18 - Step 5: Solve for x
x = 142,734,625,880.18/430,963.92 - Step 6: Final answer
x = 331,198.55
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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.