Finding the Fourth Proportional to 616,832.94, 925,252.17 and 217,257.12
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Solution
The fourth proportional to 616,832.94, 925,252.17 and 217,257.12 is: 325,886.65
Step by Step Solution
- Step 1: Write the proportion equation
616,832.94 : 925,252.17 = 217,257.12 : x - Step 2: Convert to fraction form
616,832.94/925,252.17 = 217,257.12/x - Step 3: Cross multiply
616,832.94x = 925,252.17 × 217,257.12 - Step 4: Simplify right side
616,832.94x = 201,017,621,727.95 - Step 5: Solve for x
x = 201,017,621,727.95/616,832.94 - Step 6: Final answer
x = 325,886.65
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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.