Finding the Fourth Proportional to 213,044.64, 319,616.08 and 63,281.60
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Solution
The fourth proportional to 213,044.64, 319,616.08 and 63,281.60 is: 94,936.99
Step by Step Solution
- Step 1: Write the proportion equation
213,044.64 : 319,616.08 = 63,281.60 : x - Step 2: Convert to fraction form
213,044.64/319,616.08 = 63,281.60/x - Step 3: Cross multiply
213,044.64x = 319,616.08 × 63,281.60 - Step 4: Simplify right side
213,044.64x = 20,225,816,928.13 - Step 5: Solve for x
x = 20,225,816,928.13/213,044.64 - Step 6: Final answer
x = 94,936.99
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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.