Finding the Fourth Proportional to 430,816.32, 594,497.88 and 239,824.80
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Solution
The fourth proportional to 430,816.32, 594,497.88 and 239,824.80 is: 330,942.28
Step by Step Solution
- Step 1: Write the proportion equation
430,816.32 : 594,497.88 = 239,824.80 : x - Step 2: Convert to fraction form
430,816.32/594,497.88 = 239,824.80/x - Step 3: Cross multiply
430,816.32x = 594,497.88 × 239,824.80 - Step 4: Simplify right side
430,816.32x = 142,575,335,171.42 - Step 5: Solve for x
x = 142,575,335,171.42/430,816.32 - Step 6: Final answer
x = 330,942.28
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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.