Finding the Fourth Proportional to 396,433.78, 594,124.16 and 216,056.09
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Solution
The fourth proportional to 396,433.78, 594,124.16 and 216,056.09 is: 323,797.19
Step by Step Solution
- Step 1: Write the proportion equation
396,433.78 : 594,124.16 = 216,056.09 : x - Step 2: Convert to fraction form
396,433.78/594,124.16 = 216,056.09/x - Step 3: Cross multiply
396,433.78x = 594,124.16 × 216,056.09 - Step 4: Simplify right side
396,433.78x = 128,364,142,984.13 - Step 5: Solve for x
x = 128,364,142,984.13/396,433.78 - Step 6: Final answer
x = 323,797.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.