Finding the Fourth Proportional to 393,918.62, 590,828.72 and 109,630.49
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Solution
The fourth proportional to 393,918.62, 590,828.72 and 109,630.49 is: 164,432.03
Step by Step Solution
- Step 1: Write the proportion equation
393,918.62 : 590,828.72 = 109,630.49 : x - Step 2: Convert to fraction form
393,918.62/590,828.72 = 109,630.49/x - Step 3: Cross multiply
393,918.62x = 590,828.72 × 109,630.49 - Step 4: Simplify right side
393,918.62x = 64,772,838,577.38 - Step 5: Solve for x
x = 64,772,838,577.38/393,918.62 - Step 6: Final answer
x = 164,432.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.